Inertia Safety Brakes, Idlers, Bobbins & Dummy Ends

BFT* - 2 Hole Flange Bearing

BFT* - 2 Hole Flange Bearing

BFT* - 2 Hole Flange Bearing Technical Details: Cast Body Grease nipple Sealed Bearing Manufactured to British Standards Product Codes: BFF006 Flange Bearing 2 Hole Type 1 inch - UCFL 205-16 BFT001 Flange Bearing 2 Hole Type 20mm - UCFL 204 BFT002 Flange Bearing 2 Hole ...

View More
ELB047 - Safety Brake Footmount Bracket To Suit NB3000, NB4000

ELB047 - Safety Brake Footmount Bracket To Suit NB3000, NB4000

ELB047 Safety Brake Footmount Bracket To Suit NB3000, NB4000 Pre-Drilled to accept either NB3000 30mm Ø Hollow Shaft or NB4000 40mm Ø Hollow shaft Inertia Safety Brakes. Also pre-drilled for fixing to the End Plates Manufactured from Mild Steel Angle ...

View More
ELB047 - Safety Brake Spacer Plate to Suit NB1700 'Z' Brake

ELB047 - Safety Brake Spacer Plate to Suit NB1700 'Z' Brake

ELB047 - Safety Brake Spacer Plate to Suit NB1700 'Z' Brake Pre-Drilled to accept NB1700 Centre Piece Also pre-drilled for fixing to the End Plates Manufactured from Mild Steel Sheet Dimensions: 130mm W x 125mm D 5mm Thick Mild Steel 4no Holes suit 6mm Screw 85mm & 130mm...

View More
NB17* - 18mm Inertia Safety Brake 80kg Lift

NB17* - 18mm Inertia Safety Brake 80kg Lift

Inertia Safety Brake to suit light weight Garage Doors, Window Shutters and Entrance Door Shutters. Cast Alloy Housing machined to accept Micro-Switch Cut-Out (optional extra). NVM STRONGLY recommends the Micro-Switch is fitted to all Inertia Safety Brakes, to protect the motor and to cut the pow...

View More
NB18* - Inerta Safety Brake X type 120Kg Lift

NB18* - Inerta Safety Brake X type 120Kg Lift

Inertia Safety Brake to suit light weight Garage Doors, Window Shutters and entrance Door Shutters. Cast Alloy Housing machined to accept Micro-Switch Cut-Out (optional extra). NVM STRONGLY recommends the Micro-Switch is fitted to all Inertia Safety Brakes, to protect the motor cut the power to t...

View More
NB1800P - Safety Brake Spacer Plate to Suit NB1800 'X' Brake

NB1800P - Safety Brake Spacer Plate to Suit NB1800 'X' Brake

NB1800P - Safety Brake Spacer Plate to Suit NB1800 'X' Brake Pre-Drilled to accept NB1800 Centre Piece Also pre-drilled for fixing to the End Plates Manufactured from Zinc Plated Mild Steel Sheet Dimensions: 125mm W x 125mm D 3mm Thick Mild Steel 4no Holes suit 6mm Screw L...

View More
NB1809A - Dummy End Set, 4"x 9swg (94mm) with Saddle for NB1800 Safety Brake

NB1809A - Dummy End Set, 4"x 9swg (94mm) with Saddle for NB1800 Safety Brake

NB1809A - Dummy End Set, 4"x 9swg (94mm) with Saddle for NB1800 Safety Brake Supplied with the unique NVM Security Locking Saddle that prevents the Machined Shaft from moving in either direction, Inwards or Outwards The Saddle rests in the machined slot and is connected direct...

View More
NB1809B - Dummy End Set, 4"x 9swg (94mm) for NB1700 / NB1800 Safety Brake

NB1809B - Dummy End Set, 4"x 9swg (94mm) for NB1700 / NB1800 Safety Brake

NB1809B - Dummy End Set, 4"x 9swg (94mm) for NB1700 / NB1800 Safety Brake Supplied with 18mm Square Shaft, Drilled, Tapped & Countersunk on the end to accept Locking Washer. Shaft is also corner slotted to accept positioning Spring Clip Product Details: Manufactur...

View More
NB1816A - Dummy End Set, with Saddle ,4" x 16swg (97mm) Round for NB1800 Safety Brake

NB1816A - Dummy End Set, with Saddle ,4" x 16swg (97mm) Round for NB1800 Safety Brake

NB1816A - Dummy End Set, 4"x 16swg (97mm) for NB1800 Safety Brake Supplied with the unique NVM Security Locking Saddle that prevents the Machined Shaft for moving in either direction, Inwards or Outwards The Saddle rests in the machined slot and is connected directly through the S...

View More
NB1816B - Dummy End Set, 4"x 9swg (97mm) for NB1700 / NB1800 Safety Brake

NB1816B - Dummy End Set, 4"x 9swg (97mm) for NB1700 / NB1800 Safety Brake

NB1816B - Dummy End Set, 4"x 16swg (97mm) for NB1700 / NB1800 Safety Brake Supplied with 18mm Square Shaft, Drilled, Tapped & Countersunk on the end to accept Locking Washer. Shaft is also corner slotted to accept positioning Spring Clip Product Details: Manufactu...

View More
NB1860A - Dummy End Set, with Saddle 60mm Octagonal for NB1800 Safety Brake

NB1860A - Dummy End Set, with Saddle 60mm Octagonal for NB1800 Safety Brake

NB1860A - Dummy End Set, 80mm Octagonal for NB1800 Safety Brake Supplied with the unique NVM Security Locking Saddle that prevents the Machined Shaft from moving in either direction, Inwards or Outwards  The Saddle rests in the machined slot and is connected directly through the S...

View More
NB1860B - Dummy End Set, 60mm Octagonal for NB1700 / NB1800 Safety Brake

NB1860B - Dummy End Set, 60mm Octagonal for NB1700 / NB1800 Safety Brake

NB1860B - Dummy End Set, 60mm Octagonal for NB1700 / NB1800 Safety Brake ...

View More
NB1870A - Dummy End Set, with Saddle 70mm Octagonal for NB1800 Safety Brake

NB1870A - Dummy End Set, with Saddle 70mm Octagonal for NB1800 Safety Brake

NB1870A - Dummy End Set, 70mm Octagonal for NB1800 Safety Brake Supplied with the unique NVM Security Locking Saddle that prevents the Machined Shaft from moving in either direction, Inwards or Outwards  The Saddle rests in the machined slot and is connected directly through the S...

View More
NB1870B - Dummy End Set, 70mm Octagonal without Saddle  for NB1700 / NB1800 Safety Brake

NB1870B - Dummy End Set, 70mm Octagonal without Saddle for NB1700 / NB1800 Safety Brake

NB1870B - Dummy End Set, 70mm Octagonal without Saddle  for NB1700 / NB1800 Safety Brake Supplied with 18mm Square Shaft, Drilled, Tapped & Countersunk on the end to accept Locking Washer. Shaft is also corner slotted to accept positioning Spring Clip Product Details: Manufactur...

View More
NB1889A - Dummy End Set, 89mm Deprat for NB1700 / NB1800 Safety Brake

NB1889A - Dummy End Set, 89mm Deprat for NB1700 / NB1800 Safety Brake

NB1889A - Dummy End Set 89mm Deprat for NB1700/NB1800 Safety Brake ...

View More
NB30* 30mm Inertia Safety Brake 500Kg Lift

NB30* 30mm Inertia Safety Brake 500Kg Lift

Inertia Safety Brake to suit meduim weight Industrial Shutters. Cast Metal Housing machined to accept Micro-Switch Cut-Out (optional extra). NVM STRONGLY recommends the Micro-Switch is fitted to all Inertia Safety Brakes, to protect the motor cut the power to the door. NB3000 Inertia Sa...

View More
NB3009A - Shaft & Disc Set, 4"x 9swg (94mm) for NB3000 Inertia Safety Brake

NB3009A - Shaft & Disc Set, 4"x 9swg (94mm) for NB3000 Inertia Safety Brake

NB3009A Shaft & Disc Set, 4"x 9swg (94mm) for NB3000 Inertia Safety Brake ...

View More
NB3010A - Shaft & Disc Set, 5"x 10swg (120mm) for NB3000 Inertia Safety Brake

NB3010A - Shaft & Disc Set, 5"x 10swg (120mm) for NB3000 Inertia Safety Brake

NB3010A Shaft & Disc Set, 5"x 10swg (120mm) for NB3000 Inertia Safety  ...

View More
NB3010B - Shaft & Disc Set, 129mm Dia for NB3000 Inertia Safety Brake

NB3010B - Shaft & Disc Set, 129mm Dia for NB3000 Inertia Safety Brake

NB3010B Shaft & Disc Set, 129mm Ø for NB3000 Inertia Safety Brake  ...

View More
NB3016A - Shaft & Disc Set, 4"x 16swg (97mm) for NB3000 Inertia Safety Brake

NB3016A - Shaft & Disc Set, 4"x 16swg (97mm) for NB3000 Inertia Safety Brake

NB3016A Shaft & Disc Set 4"x 16swg for NB3000 Inertia Safety Brake...

View More
NB3033B - Shaft & Disc Set, 133mm Dia for NB3000 Inertia Safety Brake

NB3033B - Shaft & Disc Set, 133mm Dia for NB3000 Inertia Safety Brake

NB3033B Shaft & Disc Set, 133mm Ø for NB3000 Inertia Safety Brake  ...

View More
NB40* - 40mm Inertia Safety Brake 700Kg Lift

NB40* - 40mm Inertia Safety Brake 700Kg Lift

Inertia Safety Brake to suit meduim / heavy weight Industrial Shutters. Cast Metal Housing machined to accept Micro-Switch Cut-Out (optional extra). NVM STRONGLY recommends the Micro-Switch is fitted to all Inertia Safety Brakes, to protect the motor cut the power to the door NB4000 Serie...

View More
NB4010A - Shaft & Disc Set, 120mm Dia for NB4000 Inertia Safety Brake

NB4010A - Shaft & Disc Set, 120mm Dia for NB4000 Inertia Safety Brake

NB4010A Shaft & Disc Set, 120mm Ø for NB4000 Inertia Safety Brake    ...

View More
NB4094A - Shaft & Disc Set, 94mm Dia for NB4000 Inertia Safety Brake

NB4094A - Shaft & Disc Set, 94mm Dia for NB4000 Inertia Safety Brake

NB4094A Shaft & Disc Set, 94mm Ø for NB4000 Inertia Safety Brake      ...

View More
NB4097A - Shaft & Disc Set, 97mm Dia for NB4000 Inertia Safety Brake

NB4097A - Shaft & Disc Set, 97mm Dia for NB4000 Inertia Safety Brake

NB4097A Shaft & Disc Set, 97mm Dia for NB4000 Inertia Safety Brake    ...

View More
NB50* - 50mm Inertia Safety Brake 1000Kg Lift

NB50* - 50mm Inertia Safety Brake 1000Kg Lift

Inertia Safety Brake to suit heavy weight Industrial Shutters. Cast Metal Housing machined to accept Micro-Switch Cut-Out (optional extra). NVM STRONGLY recommends the Micro-Switch is fitted to all Inertia Safety Brakes, to protect the motor and cut the power to the door. NB5000 Series In...

View More
NM2501 Micro Switch - Suits NB18 Type Inertia Brake (18mm)

NM2501 Micro Switch - Suits NB18 Type Inertia Brake (18mm)

NM2501 Micro Switch - Suits NB18 Type Inertia Brake (18mm) It is strongly recommended that the correct Micro-Switch Cut Out is connected to all Inertia Safety Brakes to prevent damage to the Electrical Operator in the event of the Safety Brake tripping....

View More
NM3001 Micro Switch - Suits NB30 Type Inertia Brake (30mm)

NM3001 Micro Switch - Suits NB30 Type Inertia Brake (30mm)

NM3001 Micro Switch - Suits NB30 Type Inertia Brake (30mm) It is strongly recommended that the correct Micro-Switch Cut Out is connected to all Inertia Safety Brakes to prevent damage to the Electrical Operator in the event of the Safety Brake tripping...

View More
NM4001 Micro Switch - Suits NB40 Type Inertia Brake (40mm)

NM4001 Micro Switch - Suits NB40 Type Inertia Brake (40mm)

NM4001 Micro Switch - Suits NB40 Type Inertia Brake (40mm) It is strongly recommended that the correct Micro-Switch Cut Out is connected to all Inertia Safety Brakes to prevent damage to the Electrical Operator in the event of the Safety Brake tripping...

View More
NT500* - Octagonal Idler with 13mm Dia Shaft

NT500* - Octagonal Idler with 13mm Dia Shaft

NT500* - Octagonal Idler with 13mm dia Shaft NT5001   Plastic Idler - 60mm Octagonal, Bearing & Support Bracket NT5001B Plastic Idler - 60mm Octagonal, Adjustable Shaft NT5004   Plastic Idler - 60mm Octagonal, Fixed Shaft   NT5002...

View More
NT500* - Octagonal Idler with Fixed Shaft

NT500* - Octagonal Idler with Fixed Shaft

NT500* - Octagonal Idler with Fixed Shaft NT5004   Plastic Idler - 60mm Octagonal, Fixed Shaft NT5005   Plastic Idler - 70mm Octagonal, Fixed Shaft    ...

View More
NT5003 Dummy End

NT5003 Dummy End

NT5003 Dummy End - 70mm Octagonal, 18mm Sq Shaft & Locking Collar...

View More
NV101 - Stub Shaft Welded Type

NV101 - Stub Shaft Welded Type

NV101   Stub Shaft - 1" Ø x 105mm Long, 1.1/2" Ø x 10mm Welded Collar NV101S Stub Shaft - 1" Ø x 95mm Long, 1.1/2" Ø x 10mm Welded Collar Technical Details: Material: Bright Mild Steel Finish: Self-Colour Dims: See product list above    ...

View More
NV102 - Milled Shaft - Steel

NV102 - Milled Shaft - Steel

NV102   Milled Shaft NV102A Square Shaft to DRG 94090240 ...

View More
NV103* - Stub Shaft

NV103* - Stub Shaft

NV103    Stub Shaft - 1" Ø x 90mm Long, M16 Nut & Washer NV103A Stub Shaft - 1" Ø x 100mm Long, 30mm Collar, M16 Nut & Washer NV103B Stub Shaft - 1" Ø x 85mm Long, M16 Nut & Washer, for Double Reduction NV103C Stub Shaft - 1" Ø x 76mm Long, M16 Nut & Washer ...

View More
NV104* - Stub Shaft

NV104* - Stub Shaft

NV104   Stub Shaft - 25mm Ø x 75mm Long, M16 Nut & Washer NV104B Stub Shaft - 25mm Ø x 85mm Long M16 Nut & Washer NV104C Stub Shaft - 25mm Øx 95mm Long, M16 Nut & Washer ...

View More
NV120 - 30mm Drive Shaft

NV120 - 30mm Drive Shaft

NV120* - Mild Steel Rolled Shaft in Bright Bar. 30mm Ø NV120  -  Drive Shaft - 30mm Ø x 450mm Long, Keyway 8mm x 120mm NV120A - Drive Shaft - 30mm Ø x 500mm Long, Keyway 8mm x 120mm NV120B - Drive Shaft - 30mm Ø x 685mm Long NV120D - Drive Shaft - 30mm ...

View More
NV205 - Steel Disc

NV205 - Steel Disc

NVM can supply any Discs to order. Any Ø and thickness. Call 01282 615239 or email sales@ for a quote NV205BC STEEL DISC - 63mm DIA x 16.1mm BORE x 8mm WIDE NV205AR STEEL DISC - 65mm DIA x 41mm I/D x 3mm WIDE NV205D   STEEL DISC - 70mm DIA x 32...

View More
NV239 - 4" Lost Bobbin

NV239 - 4" Lost Bobbin

NV239 Lost Bobbin, has a floating shaft with 2no bearings, all concealled in a metal pipe with 2no steel discs welded to the ends. The shaft has a hole drilled at one end to suit an M8 Bolt. A fixing bracket secured using an M8 Bolt is supplied (unless stated) and attached to the shaft. ...

View More
NV239K - 4" Lost Bobbin

NV239K - 4" Lost Bobbin

NV239K - 4" Lost Bobbin 97mm Ø 4"x16swg Pressed Steel Type...

View More
NV240 - Shaft & Disc Assembly

NV240 - Shaft & Disc Assembly

Available for various wall thicknesses and available with 20mm flange bearing (wher specified) NV240A    Shaft & Disc Assembly - 94mm Ø Round (4"x 9swg) NV240AD Shaft & Disc Assembly - 94mm Ø Round (4"x 9swg) with 12mm Hole NV240B   ...

View More
NV278 - 5" Lost Bobbin Suits 5" x 10swg Tube

NV278 - 5" Lost Bobbin Suits 5" x 10swg Tube

NV278 Lost Bobbin - 120mm Dia Round (5"x 10swg) ...

View More
NV287 - Dummy End Assembly

NV287 - Dummy End Assembly

All complete with Support saddle NV287   Dummy End Assembly - 97mm Ø Round (4"x 16swg), Fixed NV287A Dummy End Assembly - 120mm Ø Round (5"x 10swg), Adjustable NV287B Dummy End Assembly - 97mm Ø   Round (4"x 16swg), Adjustable NV287C Dummy End Assembly - 94m...

View More
NV323 - 40mm Drive Shaft

NV323 - 40mm Drive Shaft

NV323 - Mild Steel Drive shaft in Bright Bar 40mm Ø NV323    Drive Shaft - 40mm Ø x 500mm Long, Keyway 12mm NV323A Drive Shaft - 40mm Ø x 500mm Long, Keyway 12mm x 120mm NV323B Drive Shaft - 40mm Ø x 520mm Long, Keyway 12mm x 30mm NV323C Drive Shaft - 40mm Ø x 455mm L...

View More
NV324 - 50mm Drive Shaft

NV324 - 50mm Drive Shaft

NV324 Drive Shaft - 50mm Ø c/w Keyway ...

View More
NV352 - Steel Shaft 20mm Ø - 18mm Ø - For Safety Brake - Zinc Plated

NV352 - Steel Shaft 20mm Ø - 18mm Ø - For Safety Brake - Zinc Plated

NV352 - Steel Shaft 20mm Dia - 18mm Dia - For Safety Brake - Zinc Plated Material: Steel Finish: Zinc Plated 20mm Ø shaft, machines at both ends to 18mm Ø to sut Safety Brake with 18mm Ø Round Hole      ...

View More
NV357 - Milled Shaft - Steel - 25mm Ø Milled One End

NV357 - Milled Shaft - Steel - 25mm Ø Milled One End

NV357 - Milled Shaft - Steel - 25mm Ø Milled One End Material: Bright Mild Steel Finish: Self-Colour Milled one end Product Codes: NV357 --- 25mm Ø x 400mm Long NV357B - 25mm Ø x 500mm Long  ...

View More
NV374 - Dummy End

NV374 - Dummy End

All supplied with Locking Collar NV374B Dummy End - 95mm Ø Round (4"x 10swg) NV374D Dummy End - 97mm Ø Fluted (4"x 16swg) NV374A Dummy End - 97mm Ø Round (4"x 16swg) NV374C Dummy End - 120mm Ø Round (5"x 10swg) NV374E Boss to suit NV374D Dum...

View More
NV410 - 55mm Drive Shaft

NV410 - 55mm Drive Shaft

NV410   Drive Shaft - 55mm Ø NV410A Drive Shaft - 55mm Ø x 500mm Long, Keyway 16mm x 140mm NV410P Drive Shaft - 55mm Ø x 400mm Long, Plain  ...

View More

Inertia Safety Brakes, Idlers, Bobbins & Dummy Ends

North Valley Metal offer a comprehensive range of Safety Brakes, Shafts & Discs, Idlers, and Lost Bobbins.

Our Inertia Safety Brake range is available in sizes 18mm - 50mm Ø with lift capacities from 80kg - 1000kg and Disc sizes from 60mm Octagonal - 212mm Ø Round to suit Tube sizes upto 8" Ø

We offer a range of Lost Bobbins in 4"x 16swg, 4"x 9swg and 5"x 10swg, all fitted with Bearings and including Fixing Brackets. Also available are Pressed Steel Lost Bobbins

NVM can offer Shafts & Discs to any size and specification and carry stock of Shafts both with Keyway and Plain from 20mm, 25mm, 30mm, 40mm, 50mm, 55mm, 5/8" 3/4", 1", 1.1/4", 1.1/2", and Disc Sizes from 93mm to 212mm in assorted Bore Sizes and widths.

Our Dummy Ends & Idlers include Idlers for Garage Doors in 60mm & 70mm Octagonal and 89mm Deprat, with Spindle sizes from 13mm - 18mm and complimented with an extensive range of endplate adaptors