Belt Adjusters | McMaster-Carr

Filter by

Buckle Type

Width

Component

Attachment Type

Material

For Maximum Belt Width

Belt Type

Length

Maximum Tension Force Rating

Weight Capacity

For Idler ID

Minimum Tension Force Rating

Mounting Position

DFARS Specialty Metals

Exempt

RoHS

Compliant

Not Compliant

Export Control Classification Number (ECCN)

REACH

Tension Force

Finish

For V-Belt Cross Section

Thread Size

Distance Between Arms

Mounting Plate Width

Tension Arm Length

Overall Depth

Mounting Plate Height

102 Products

Chain and Belt Drives

Belt Tension Gauges

Keep an eye on belt tension to minimize vibration, noise, and slippage.

Wide-Range Belt Tension Gauges

Measure belt tension up to 2,200 lbs.

Heavy Duty Spring-Loaded Adjustable-Arm
Belt and Roller Chain Tensioners

Maintain correct drive tension to ensure smooth operation for maximum power and a long service life.

Heavy Duty Spring-Loaded Belt
and Roller Chain Tensioners

Designed for large belt and chain drives, these tensioners maintain correct drive tension for smooth operation, maximum power, and a long service life.

Spring-Loaded Adjustable-Arm
Roller Chain and Belt Tensioners

Apply continuous tension and automatically take up slack at any point in a 180° arc.

Adjustable-Screw Roller Chain and Belt Tensioners

Precisely apply tension in a straight line by moving the adjustment screw.

Adjustable-Arm Roller Chain and Belt Tensioners

Position the adjustment arm to control tension in a 360° arc.

Webbing, Buckles, and Fittings

Load-Rated No-Sew Buckles for Webbing

Attach webbing to these buckles without sewing.

Load-Rated Sew-On Buckles for Webbing

Permanently sew webbing onto these buckles.

Load-Rated Slip-On Buckles for Webbing

The slotted bar on these buckles allows you to attach an eye easily.

Light Duty No-Sew Buckles for Webbing

These buckles have a bar that grips webbing tightly without sewing.

Light Duty Sew-On Buckles for Webbing

Permanently sew webbing onto these buckles.

Light Duty Slides for Webbing

Add a slide to webbing to make adjustable straps.

Load-Rated Slides for Webbing

These slides are rated for heavy duty applications.

Chain and Belt Drives

Belt Tension Gauges

Wide-Range Belt Tension Gauges

Heavy Duty Spring-Loaded Adjustable-ArmBelt and Roller Chain Tensioners

Heavy Duty Spring-Loaded Beltand Roller Chain Tensioners

Spring-Loaded Adjustable-ArmRoller Chain and Belt Tensioners

Adjustable-Screw Roller Chain and Belt Tensioners

Adjustable-Arm Roller Chain and Belt Tensioners

Webbing, Buckles, and Fittings

Load-Rated No-Sew Buckles for Webbing

Load-Rated Sew-On Buckles for Webbing

Load-Rated Slip-On Buckles for Webbing

Light Duty No-Sew Buckles for Webbing

Light Duty Sew-On Buckles for Webbing

Light Duty Slides for Webbing

Load-Rated Slides for Webbing

Heavy Duty Spring-Loaded Adjustable-Arm
Belt and Roller Chain Tensioners

Heavy Duty Spring-Loaded Belt
and Roller Chain Tensioners

Spring-Loaded Adjustable-Arm
Roller Chain and Belt Tensioners