Heavy duty bolt clamps (GBS clamps) - 304 grade stainless steel (W4)

Product description for heavy duty bolt clamps (GBS clamps)
• Easy to assemble, stainless steel metal clamps.
• Manufactured to DIN 3017.
• Available in other materials.
• Available in a range of band widths.
• Band tensile force is exceptionally high.
• Band has rounded edges to prevent injuries & damage to the hose.
• Improved failure torque
• Strong loops which allow the clamp to withstand considerably higher torques.
• Features a mechanical lock which makes the clamp very strong.
• Features a bridge which allows for excellent hose protection.
• Can be assembled with either manual, pneumatic or electric standard tools.

For more information, please see tabs below.
Not all of these are stock items. Non-stock items will be subject to a lead time of up to 6-8 weeks and a minimum order quantity of 15.

Please call 01283 554 780, for availability.

heavy duty bolt clamps

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Benefits
• Easy to assemble.
• Band tensile force is exceptionally high.
• Band has rounded edges to prevent injuries & damage to the hose.
• Improved failure torque.
• W1, W2 & W4 GBS clamps feature a bolt which has been designed to improve efficiency.
• Strong loops which allow the clamp to withstand considerably higher torques.
• Features a mechanical lock which makes the clamp very strong.
• Features a bridge which allows for excellent hose protection.

Features
• Manufactured to DIN 3017.
• Available in other materials.
• Available in a range of band widths.
• Easy to assemble.
• Band tensile force is exceptionally high.
• Band has rounded edges
• W1, W2 & W4 GBS clamps feature a bolt with a built-in spacer. This bolt has been designed to improve efficiency of the clamp.
• W5 GBS clamps have a hexagonal socket screw.
• Strong loops.
• Features a mechanical lock.
• Features a bridge which allows for excellent hose protection.

Applications
• Can be assembled with either manual, pneumatic or electric standard tools.
• Applications where there is suction & pressure.
• Turbos.
• Intercoolers.
• Exhaust connections.
• Sealing suction & pressure lines with steel or plastic reinforcements & high shore hardnesses.
• Commercial vehicles.
• Special vehicles.

Material Thicknesses

Band Width (mm) Material thickness W1 Material thickness W2 Material thickness W4 Material thickness W5
18mm 0.8mm 0.6mm 0.6mm 0.6mm
20mm 1.0mm 0.8mm 0.8mm 0.8mm
25mm 1.0mm 1.0mm 1.0mm 1.0mm
25mm 1.0mm 1.0mm 1.0mm 1.0mm
30mm 1.3mm 1.0mm 1.0mm 1.0mm


Torques

Band Width (mm) Min. fracture torque (W1) Min. fracture torque (W2) Min. fracture torque (W4) Min. fracture torque (W5) Recommended tightening torque
18mm 15 Nm 15 Nm 15 Nm 15 Nm 8 Nm
20mm 25 Nm 20 Nm 20 Nm 20 Nm 10 Nm
25mm 35 Nm 30 Nm 30 Nm 30 Nm 20 Nm
30mm 50 Nm 45 Nm 45 Nm 45 Nm 25 Nm


Corrosion resistance

Material Corrosion resistance in salt spray testing
W1 Min. 72h
W2 Min. 72h
W4 Min. 240h
W5 Min. 400h


Clamping ranges

Band Width (mm) Clamping range (mm) Clamping range (inches)
18mm 17-19 1 1/6 - 3/4
18mm 19-21 3/4 – 13/16
18mm 21-23 1 3/16 – 7/8
18mm 23-25 7/8 - 1
18mm 25-27 1 – 1 1/16
18mm 27-29 1 1/16 – 1 1/8
18mm 29-31 1 1/8 – 1 1/4
18mm 31-34 1 1/4 - 1 5/16
18mm 34-37 1 5/16 – 1 7/16
18mm 37-40 1 7/16 – 1 9/16
18mm 40-43 1 9/16 – 1 11/16
20mm 43-47 1 11/16 – 1 7/8
20mm 47-51 1 7/8 - 2
20mm 51-55 2 – 2 3/16
20mm 55-59 2 3/16 – 2 5/16
20mm 59-63 2 5/16 – 2 1/2
20mm 63-68 2 1/2 - 2 11/16
25mm 68-73 2 11/16 – 2 7/8
25mm 73-79 2 7/8 – 3 1/8
25mm 79-85 3 1/8 – 3 3/8
25mm 85-91 3 3/8 – 3 9/16
25mm 91-97 3 9/16 – 3 13/16
25mm 97-104 3 13/16 – 4 1/8
25mm 104-112 4 1/8 – 4 7/16
25mm 112-121 4 7/16 – 4 3/4
25mm 121-130 4 3/4 - 5 1/8
30mm 130 - 140 5 1/8 – 5 1/2
30mm 140-150 5 1/2 - 5 7/8
30mm 150-162 5 7/8 – 6 3/8
30mm 162-174 6 3/8 – 6 7/8
30mm 174-187 6 7/8 – 7 3/8
30mm 187-200 7 3/8 – 7 7/8
30mm 200-213 7 7/8 – 8 3/8
30mm 213-226 8 3/8 – 8 7/8
30mm 226-239 8 7/8 – 9 3/8
30mm 239-252 9 3/8 – 9 15/16

MATERIAL KEY

W4
304 grade stainless steel band.

Dia. (min)
Dia. (max)
Band width
Part # Quantity Price Stock
17 mm 19 mm 18 mm £ ?
19 mm 21 mm 18 mm £ ?
21 mm 23 mm 18 mm £ ?
23 mm 25 mm 18 mm £ ?
25 mm 27 mm 18 mm £ ?
27 mm 29 mm 18 mm £ ?
29 mm 31 mm 18 mm £ ?
31 mm 34 mm 18 mm £ ?
34 mm 37 mm 18 mm £ ?
37 mm 40 mm 18 mm £ ?
40 mm 43 mm 18 mm £ ?
43 mm 47 mm 20 mm £ ?
47 mm 51 mm 20 mm £ ?
51 mm 55 mm 20 mm £ ?
55 mm 59 mm 20 mm £ ?
59 mm 63 mm 20 mm £ ?
63 mm 68 mm 20 mm £ ?
68 mm 73 mm 25 mm £ ?
73 mm 79 mm 25 mm £ ?
79 mm 85 mm 25 mm £ ?
85 mm 91 mm 25 mm £ ?
91 mm 97 mm 25 mm £ ?
97 mm 104 mm 25 mm £ ?
104 mm 112 mm 25 mm £ ?
112 mm 121 mm 25 mm £ ?
121 mm 130 mm 25 mm £ ?
130 mm 140 mm 30 mm £ ?
140 mm 150 mm 30 mm £ ?
140 mm 162 mm 30 mm £ ?
162 mm 174 mm 30 mm £ ?
174 mm 187 mm 30 mm £ ?
187 mm 200 mm 30 mm £ ?
200 mm 213 mm 30 mm £ ?
213 mm 226 mm 30 mm £ ?
226 mm 239 mm 30 mm £ ?
239 mm 252 mm 30 mm £ ?

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Subtotal

£4.30

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