Value Brand
Value Brand 3LZ34 Double-Bolt Hose Clamp 1 1/8"W Zinc-Plated Steel
Double-bolt hose clamp fits compressor and pneumatic hoses from 3 5/64 to 3 3/4 inches with 60 ft-lb torque
- Secure hold for compressor hoses with double-bolt design
- Zinc-plated steel resists corrosion on band and screw
- Fits 3 5/64 in to 3 3/4 in inside diameter range
- Installs at 60 ft-lb torque using 12 mm hex
- Band thickness .335 in and width 1 1/8 in for strength
Double-Bolt Clamp for Compressor Lines
This double-bolt hose clamp is built for compressor hoses and low-pressure pneumatic couplings. Its zinc-plated steel band and screw resist corrosion in shop environments. The 1 1/8 in. band width distributes clamping force across a broad surface. Installers tighten the 12 mm hex heads to the specified torque.
Torque Limit and Diameter Range
The clamp accepts inside diameters from 3 5/64 in. up to 3 3/4 in., covering common large-bore air lines. Band thickness measures .335 in. for structural rigidity under pressure. Maximum install torque is 60 ft-lb; exceeding this value can deform the band or strip the threads. SAE sizing does not apply to this model.
Replaces Worm-Drive Clamps on High-Vibration Lines
This clamp replaces standard worm-drive styles where vibration or pressure cycling loosens single-screw designs. The twin-bolt arrangement maintains even tension around the full circumference. The upgrade is justified when a joint must stay sealed under repeated compressor pulsation. It is not suited for miniature tubing or confined spaces where a 12 mm socket cannot engage.
Highlights
- Secure hold for compressor hoses with double-bolt design
- Zinc-plated steel resists corrosion on band and screw
- Fits 3 5/64 in to 3 3/4 in inside diameter range
- Installs at 60 ft-lb torque using 12 mm hex
- Band thickness .335 in and width 1 1/8 in for strength
Specifications
| Brand | Zoro Select |
|---|
Questions about this item
Should I choose the 1 1/8" width clamp for my compressor hose?
The 1 1/8" band width fits hoses with inside diameters between 3 5/64" and 3 3/4", so match your hose size to that range.
What does the 60 ft-lb install torque mean when I tighten it on the machine?
Tighten the double bolts to 60 ft-lb to achieve full clamping force without stripping the 12 mm hex heads.
How does the double-bolt design and zinc-plated steel affect the connection on pneumatic couplings?
Two bolts distribute load evenly across the 0.335" thick band, while zinc plating resists corrosion on compressor and low-pressure pneumatic lines.
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