Industrial Door Components - High Quality Door Hardware

NV264 - 2" Top Sliding Pully Bracket

NV264 - 2" Top Sliding Pully Bracket

NV264 2" Top Sliding Pully Bracket c/w Single Wheel Material: Mild Steel Body, Hardened Pulley Wheel Finish: Zinc Plated body Dims: 145mm O/All x 25mm x 15mm Drilled 2no 8.2mm Ø holes @ 9/16" & 2" centres 4no Welded Washer spacers 1no  hole 3/8" Ø & countersunk to 13mm Ø...

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NV265 - Spring Anchor - Steel  - 30mm Ø Boss

NV265 - Spring Anchor - Steel - 30mm Ø Boss

NV265 - Spring Anchor - Steel  - 30mm Ø Boss Technical Details: Black Mild Steel Machined Bore Welded Plate 5mm Drilled Hole Plain Bore or Clear Bore Steel Boss 30mm Ø x 25mm Long 5mm Steel Plate 65mm L x 40mm W   Product Codes: NV265 --- Steel Spring...

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NV266 - Superior Type Single Concave Roller Wheel

NV266 - Superior Type Single Concave Roller Wheel

NV266 Superior Type Single Concave Roller Wheel Material: Mild Steel Body, Hardened Pulley Wheel Finish: Zinc Plated body Dims: 145mm O/All x 25mm x 15mm Drilled 2no 8.2mm Ø holes @ 9/16" & 2" centres 4no Welded Washer spacers 1no  hole 3/8" Ø & countersunk to 13mm Ø to ...

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NV266A - Superior Type Double Concave Top Roller Wheel

NV266A - Superior Type Double Concave Top Roller Wheel

NV266A Superior Type Double Concave Top Roller Wheel Material: Mild Steel Body, Hardened Pulley Wheel Finish: Zinc Plated body Dims: 145mm O/All x 25mm x 15mm Drilled 2no 8.2mm Ø holes @ 9/16" & 2" centres 4no Welded Washer spacers 1no  hole 3/8" Ø & countersunk to 13m...

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NV266W - Concave Roller Wheel

NV266W - Concave Roller Wheel

NV266W Concave Roller Wheel   To suit NV266 Sliding Pully...

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NV267 - Chainwheel - Aluminium - 12” Ø Rim

NV267 - Chainwheel - Aluminium - 12” Ø Rim

NV267 12" Aluminium Chainwheel - Raw Casting NV267A 12" Aluminium Chainwheel - 19 Tooth Sprocket Other specifications avaialble to order. Please contact the office for assistance...

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NV268 - Drive Pinion - Steel - 12T x 5DP x 25mm WIDE with 20° PA

NV268 - Drive Pinion - Steel - 12T x 5DP x 25mm WIDE with 20° PA

NV268 - Drive Pinion - Steel - 12T x 5DP x 25mm WIDE with 20° PA Technical Details: Manufactured to BS 436 Machined Faced Machined Bored (See Product List for sizes) Machined Gearcut (See Product List for Pitch & Tooth Thickness) Machined Keyway (See Product List for Bore detail...

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NV272 - Key Switch Box - Steel - Zinc Plated

NV272 - Key Switch Box - Steel - Zinc Plated

NV272 - Key Switch Box - Steel - Zinc Plated NV272 Metal Keyswitch Box NV272R Metal Keyswitch Box (Retro Fit) Technical Details: Material: Steel Finish: Zinc Plated Dims: 100mm x 110mm x 90mm Drilled 1no Hole 10mm Ø in line with 10mm Ø hole in box Lid for Lock NV272R Ha...

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NV273 - Lattice Pin

NV273 - Lattice Pin

NV273 - Lattice Pin Material: Mild Steel Finish: Zinc Plated ...

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NV274*- Chainwheel - Aluminium - 7” Ø Rim

NV274*- Chainwheel - Aluminium - 7” Ø Rim

NV274*- Chainwheel - Aluminium - 7” Ø Rim Available with or without sprocket fitted. Bore Options: Plain Bore Clear Bore Keywayed Bushed Variants: (Please note some specifications maybe made to order only) NV274    7" Aluminium Chainwheel - Raw Casting N...

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NV275 - T Bolt M6 x 55.5mm

NV275 - T Bolt M6 x 55.5mm

NV275 T Bolt 8mm x 55.5mm Long with M6 Thread Material: Mild Steel Finish: Zinc Plated Dims: 55.5mm O/All x 7.9mm Ø Body 44mm with 9mm x 7.9mm Ø Thread Head: 16mm x 2.5mm x 8mm ...

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NV276 - Universal Block - Cast - 5" Tube

NV276 - Universal Block - Cast - 5" Tube

NV276 - Universal Block - Cast - 5" Tube 127mm Ø Technical Details: Grey Cast Iron Machined O/D Machined Bore Machined Rim Face Machined Boss Spigot (See Product List) Drilled & Tapped 4 Holes M10 on 101.6mm PCD Plain Bore, Bushed or Needle Bearing Full Rim Boss to each ...

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NV277 - Universal Barrel Block - Cast - 5 ½" Tube

NV277 - Universal Barrel Block - Cast - 5 ½" Tube

NV277 - Universal Barrel Block - Cast - 5 ½" Tube This is a Universal Casting that is pre-drilled & tapped, and machined with a spigot, to accept Platewheels or Drive Gears, whilst the the inner side has a ribbed Boss to accept a Spring. The Drive End is machined with a spigot whilst th...

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NV279 - Manual Superior Lattice Pin 34mm x 9mm dia

NV279 - Manual Superior Lattice Pin 34mm x 9mm dia

NV279 Manual Superior Lattice Pin - 9mm Dia x 34mm Long Material: Steel Finish: Zinc Plated Dims: 34mm O/All x 9mm  Ø Chamfered both ends    ...

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NV280 - Eurofold Type Bush 20 x 10 x 8.5 Bore

NV280 - Eurofold Type Bush 20 x 10 x 8.5 Bore

NV280 Eurofold Type Bush 20 x 10 x 8.5 Bore Material: Mild Steel Finish: Zinc Plated Dims: 20mm Ø x 10mm Bore: 8.50mm ...

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NV281 - Bush 20mm x 19mm x 8.5mm bore

NV281 - Bush 20mm x 19mm x 8.5mm bore

NV281 Bush 20 x 19 x 8.5 Bore Material: Mild Steel Finish: Zinc Plated Dims: 20mm Ø x 19mm Bore: 8.50mm ...

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NV284 - Lattice Pin 8mm Dia - Type B

NV284 - Lattice Pin 8mm Dia - Type B

NV284 Lattice Pin 8mm Dia - Type B Material: Mild Steel Finish: Zinc Plated Dims: 8mm Ø body, stepped 14mm each side, then 1/4" each side to 5.4mm  ...

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NV290 - Punch Tool - Steel - To suit 3" Curved Lath

NV290 - Punch Tool - Steel - To suit 3" Curved Lath

NV290 Punch Tool for 3" Lath NV290A Punch Pins for Lath Punch Technical Details: Material: Steel Finish: Engineering Blacking To suit 3" Curved Lath Removable hardened Punch Pins ...

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NV292 - Drive Gear - Steel - 60T x 6dp 25mm or 30mm Wide

NV292 - Drive Gear - Steel - 60T x 6dp 25mm or 30mm Wide

Technical Details: Material: Bright Mild Steel Manufactured: To BS 436 Machined: Faced Machined: Bored (See Product List for sizes) Machined: Gearcut (See Product List for Pitch & Tooth Thickness) Machined: Keyway (See Product List for Bore details) Material Used: Gey Cast, Mal...

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NV293 - Double Top Pully Bracket & Wheels

NV293 - Double Top Pully Bracket & Wheels

NV293 Double Top Pully Bracket & Wheels NV293A Rivet 3/8" Diameter x 56mm Long CSK Material: Mild Steel Finish: Zinc Plated Dims: 145mm O/All x 25mm x 15mm 4no Welded spacer Washers Drilled 2no Holes 8.2mm Ø x 9/16" & 2" hole centres from base Drilled 1no Hole 3/8" Ø counter...

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NV297 - Epicyclic Gear Box - Steel - For Manual Fire Shutters

NV297 - Epicyclic Gear Box - Steel - For Manual Fire Shutters

NV297 - Epicyclic Gear Box - Steel - For Manual Fire Shutters  ...

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NV298 - T Bolt M8 x 40mm

NV298 - T Bolt M8 x 40mm

NV298 - T Bolt M8 Full Thread Material: Mild Steel Finish: Zinc Plated Dims: 40mm O/All x M8 Threaded Head: 22.2mm x 8mm x 10mm  ...

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NV300 - Handchain - 5mm Light Gauge - Zinc Plated

NV300 - Handchain - 5mm Light Gauge - Zinc Plated

NV300 - Handchain - 5mm Light Gauge - Zinc Plated...

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NV301* - Haul Chain

NV301* - Haul Chain

NV301 - Haul Chain Zinc Plated NV301   - Haul Chain for Cast Chainwheels NV301A - Haul Chain for Aluminium Chainwheels NV301B - Haul Chain for Plastic Chainwheels NV301C - Haul Chain for NICE Direct Drives NV301E - Haul Chain for NVM Direct Drives ...

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NV302 - Drive Pinion - Steel - 16T x 5 DP

NV302 - Drive Pinion - Steel - 16T x 5 DP

NV302 - Drive Pinion - Steel - 16T x 5 DP Technical Details: Manufactured to BS 436 Machined Faced (See product List for gear Widths) Machined Bored (See Product List for sizes) Machined Gearcut (See Product List for Pitch & Tooth Thickness) Machined Keyway (See Product List for...

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NV303* - Chainwheel - Plastic - 7” Ø Rim

NV303* - Chainwheel - Plastic - 7” Ø Rim

NV303* - 7" Plastic Wheel with Pinion Plate or Sprocket Plate fitted, or available as Plain bored and halves. Drive Options: Steel Sprocket Steel Pinion Plastic Sprocket Variants: NV303    7" Plastic Wheel - 2 Halves 4 Holes NV303A 7" Plastic Wheel - 12T Stee...

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NV304 - Pinion 12T x 6 DP & Sprocket 19T x ½" x ⁵⁄₁₆" Pitch

NV304 - Pinion 12T x 6 DP & Sprocket 19T x ½" x ⁵⁄₁₆" Pitch

NV304 - Pinion 12T x 6 DP & Sprocket 19T x ½" x ⁵⁄₁₆" Pitch Technical Details: Manufactured to DIN 8187 ISO/R-606 Welded Plate to Pinion & Machined Machined Faced Machined Bored (See Product List for sizes) Machined Gearcut (See Product List for Pitch & Tooth Thickness) ...

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NV305 - 36T Wormwheel

NV305 - 36T Wormwheel

NV305L 36T Wormwheel for 5" Tube LH NV305R 36T Wormwheel for 5" Tube RH ...

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NV306 - Worm Shaft - Steel - Two Start

NV306 - Worm Shaft - Steel - Two Start

NV306 Two Start Worm Shaft Product Codes: NV306L Two Shaft Worm Shaft - LH NV306R Two Start Worm Shaft - RH This model is handed so please specify which hand when ordering. Manufactured Shaft from Steel...

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NV307 - Worm Shaft - Steel - 3 Start

NV307 - Worm Shaft - Steel - 3 Start

NV307 3 Start Worm Shaft Steel Machined Shaft with Worm Gear....

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NV310* - Transmission Drive Chain

NV310* - Transmission Drive Chain

NV310* - Transmission Drive Chain NV310 1/2" Pitch x 5/16" Simplex Drive Chain NV310A 1/2" Pitch Drive Chain 5/16 Cut to 86 Pitches NV310B 1/2" Pitch Drive Chain 50Mtr Roll 08B-1 NV310C 1/2" Pitch Drive Duplex Drive Chain NV310D 1/2" Pitch x 3/16" Simplex Drive Chain NV310E 1/2" Pitc...

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NV311* - Drive Chain Connecting Links

NV311* - Drive Chain Connecting Links

NV311* - Drive Chain Connecting Links NV311 1⁄2" x 5⁄16" Pitch Connecting Link For Drive Chain NV311A 1⁄2" Pitch Connecting Link For Duplex Drive Chain NV311B 1⁄2" x 3⁄16" Pitch Connecting Link NV311C 1⁄2" x 5⁄16" Pitch Offset Link (Half Link) ...

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NV314 - Spring Anchor - Steel - 75mm Ø Boss

NV314 - Spring Anchor - Steel - 75mm Ø Boss

NV314 - Spring Anchor - Steel - 75mm Ø Boss Technical Details: Bright Mild Steel Machined Bore Welded Plate Drilled 13mm Ø Hole Plain Bore Steel Boss 75mm Ø x 60mm Long 10mm Steel Plate 87mm L x 60mm W Product codes: NV314 --- SPRING ANCHOR - STEEL - 75mm DI...

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NV315 - Spring Anchor - Steel -  Boss for 8” Ø Tube

NV315 - Spring Anchor - Steel - Boss for 8” Ø Tube

Technical Details: Bright Mild Steel Machined Bore Welded Lasercut Plate Plain Bore Boss Sizes (See Product Code list below) 20mm Mild Steel Plate 190mm Ø   Product Code: NV315 ----- SPRING ANCHOR - STEEL - 8" - 1.1/4" BORE, 75mm BOSS NV315A --- SPRING A...

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NV316A - T Bolt

NV316A - T Bolt

NV316A T Bolt M8 x 50mm Long Material: Mild Steel Finish: Bright Zinc Plated Dims: 52.5mm O/All x 8mm Ø with M8 x 20mm thread Head: 20mm x 8.5mm x 2.5mm ...

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NV317 End Block - Cast - 5" Tube

NV317 End Block - Cast - 5" Tube

NV317 End Block - Cast - 5" Tube NV317 End Block - Steel - 5% Tube 127mm Ø Please Note: Steel Blocks can be manufactured to your own specification. specifications listed below are options available. If yo do not see what you want, contact the office on 01282 615239 or sales@nvmgroup.co.uk Tech...

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NV325 - Wind Lock - Cast - Zinc Plated & Drilled

NV325 - Wind Lock - Cast - Zinc Plated & Drilled

NV325 - Wind Lock - Cast - Zinc Plated & Drilled Technical Details: Zinc Plated Finish Drilled 3 Holes to suit 4.8mm Ø Rivet Body 190mm L x 45mm W at the Guide side For Heavy Duty usage ...

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NV326 - Pinion/Sprocket Assembly - Steel - 12T x 5 DP Pinion & 19t x ½” x ⁵⁄₁₆” Pitch Sprocket for Double Reduction Sets

NV326 - Pinion/Sprocket Assembly - Steel - 12T x 5 DP Pinion & 19t x ½” x ⁵⁄₁₆” Pitch Sprocket for Double Reduction Sets

NV326 - Pinion/Sprocket Assembly - Steel - 12T x 5 DP Pinion & 19t x ½” x ⁵⁄₁₆” Pitch Sprocket for Double Reduction Sets Technical Details: Manufactured to BS 436 Machined Faced (See product List for gear Widths) Machined Bored (See Product List for sizes) Machined Gearcut (See Pr...

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NV329A - Shutter Lock - Central Type 155mm x 55mm

NV329A - Shutter Lock - Central Type 155mm x 55mm

NV329A - Shutter Lock - Central Type 155mm x 55mm Zinc plated steel shutter lock with brass cylinder. Keyed both sides for internal and exteral operation. Size 155mm x 55mm 2 keys per lock - Available keyed alike ...

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NV329B - Shutter Lock - Narrow Type - 155mm x 42mm

NV329B - Shutter Lock - Narrow Type - 155mm x 42mm

NV329B - Shutter Lock - Narrow Type - 155mm x 42mm Zinc plated steel shutter lock with brass cylinder. Keyed both sides for internal and external operation. Size 155mm x 42mm 2 keys per lock - Available keyed alike ...

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NV330 - Sprocket - 14T x ½" x ⁵⁄₁₆" Pitch - British Standard

NV330 - Sprocket - 14T x ½" x ⁵⁄₁₆" Pitch - British Standard

NV330 - Sprocket - 14T x ½" x ⁵⁄₁₆" Pitch - British Standard Technical Details: Manufactured to DIN 8187 ISO/R-606 Machined Faced Machined Bored (See Product List for sizes) Machined Gearcut (See Product List for Pitch & Tooth Thickness)   Product Codes: NV330 --...

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NV336 - Drive Gear - Steel - 66T x 6dp, 1" or 1 ¼”  Wide

NV336 - Drive Gear - Steel - 66T x 6dp, 1" or 1 ¼” Wide

NV336 - Drive Gear - Steel - 66T x 6dp, 1" or 1 ¼”  Wide Technical Details: Material: Bright Mild Steel Manufactured: To BS 436 Machined: Faced Machined: Bored (See Product List for sizes) Machined: Gearcut (See Product List for Pitch & Tooth Thickness) Machined: Keyway (...

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NV338 - Platewheel - 60T x 1/2" Pitch

NV338 - Platewheel - 60T x 1/2" Pitch

NV338 - Platewheel 60T x 1/2" Pitch Technical Details: Manufactured to DIN 8187 ISO/R-606 Machined Faced Machined Bored (See Product List for sizes) Machined Gearcut (See Product List for Pitch & Tooth Thickness)   Product Codes: NV338 - Platewheel 60T x 1/2" Pit...

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NV339 - Sprocket & Plate Adaptor - 15T x ½" x ⁵⁄₁₆" Pitch

NV339 - Sprocket & Plate Adaptor - 15T x ½" x ⁵⁄₁₆" Pitch

NV339 - Sprocket & Plate Adaptor - 15T x ½" x ⁵⁄₁₆" Pitch Technical Details: Bright Mild Steel Machined Bore Welded Plate & Machined Macined Faced Machined Gearcut Sprocket Plain Bore or Bushed Drilled & Countersunk 4 Holes Suitable for Plastic Chain Wheels Pr...

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NV340 - Sprocket - 18T x ½" x ⁵⁄₁₆" Pitch - British Standard

NV340 - Sprocket - 18T x ½" x ⁵⁄₁₆" Pitch - British Standard

NV340 - Sprocket - 18T x ½" x ⁵⁄₁₆" Pitch - British Standard Technical Details: Manufactured to DIN 8187 ISO/R-606 Machined Faced Machined Bored (See Product List for sizes) Machined Gearcut (See Product List for Pitch & Tooth Thickness)   Product Codes: NV340 --...

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NV342 - Sprocket - 45T x ½" x ⁵⁄₁₆" Pitch - British Standard

NV342 - Sprocket - 45T x ½" x ⁵⁄₁₆" Pitch - British Standard

NV342 - Sprocket - 45T x ½" x ⁵⁄₁₆" Pitch - British Standard Technical Details: Manufactured to DIN 8187 ISO/R-606 Machined Faced Machined Bored (See Product List for sizes) Machined Gearcut (See Product List for Pitch & Tooth Thickness)   Product Codes: NV342 --...

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NV345 - Slotted Packer - 1.5mm

NV345 - Slotted Packer - 1.5mm

NV345 1.5mm - Slotted Packer Material: Mild Steel Finish: Zinc Plated Dims: 50mm Ø x 1.5mm Slotted: 25mm x 12mm  ...

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NV346 - End Lock - Cast - 3" Lath (Pair)

NV346 - End Lock - Cast - 3" Lath (Pair)

NV346 - End Lock - Cast - 3" Lath (Pair) Tecnical Detail: Malleable Cast Iron Zoinc Plated 2 Holes drilled to suit 4.8mm Ø Rivet Body 44mm L x 81mm W including wings Desinged originally to suit Bridge Steel Lath ...

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Leading Supplier of Industrial Door Components

Gears, Pinions, Platewheels and Sprockets.

NVM offer a comprehensive range of gears, barrel gears, worm gears, compound gears, idler gears, platewheels and pinions. Gears are available in cast, steel or plastic to suit a wide range of applications and can be supplied with a plain bore, oilite bush, bearing or ball race or with keyways.

Whilst NVM carry an extensive range of gears, platewheels and pinions in stock we can also manufacture to customers specific requirements using our in house cnc / gear-cutting department. We also provide a short turn-around emergency service where gears can be manufactured and dispatched within 24 hours.

Castings

NVM are the largest suppliers of roller shutter door castings in the UK, and have in depth experience of servicing the industrial door market. Inner blocks, spring blocks, bearing blocks, spring anchors and support cups are all available from stock and can be supplied in plain bore, bushed or with bearings. Endlocks, Wind Endlocks and combination wind endlocks are available from stock to suit most major lath producers, although any customer specific requirements can be met. Endlocks can be supplied plain or pre-drilled and zinc plated, again all from stock.

Locks & Isolators

Pinlocks and housings are available from stock in either nickel plated steel or aluminium housing. Pinlocks can be supplied either keyed alike or upto groups of 20 different. A full range Isolator and Keyswitch boxes compliment the range and include groundlock isolators, keyswitch isolators, shootbolt isolators and double pin isolators. Cisa Padlocks, armoured padlocks, ground fixing locks and shootbolts are also available from stock. Also available are pressed steel keyswitch locking boxes and locking pad pin sets.

Chain & Chainwheels

NVM stock chainwheels ranging from 4” Ø up to 12” Ø and in a range of materials including cast, aluminium and plastic. Chainwheels can be supplied complete with sprockets or pinions, and either plain bore or bushed. Also available are chainwheel assemblies supplied complete with either fabricated or cast brackets. Chain guides, brackets and chain locking boxes are also available to suit and are stocked in either cast or steel. Standard 5.5mm Chain and drive chain are also available from stock and supplied by the metre. Connection links are also available. To complete the range, Chain Tensioners and Chain Grippers are also available.