Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Screws
Origin	-
Material	Carbon Steel with Zinc Plating
Handle Type	L-Shaped Ratchet Knob
Available Sizes	M5, M6, M8, M10, M12, M16
Thread Pitch	Standard Coarse Thread
Surface Finish	Black Oxide or Zinc Plated
Locking Mechanism	Quick-Release Ratchet Action
Application	Jigs, Fixtures, and Clamping Devices
Temperature Range	-20°C to 80°C
Package Contents	1 x Adjustable Clamping Handle Screw
Country of Origin	Made in China

6 reviews

Anonymous

Mar 28, 2026

Rating: 4/5

Great handle design

The ergonomic grip makes it easy to tighten by hand even with gloves on. Only giving 4 stars because shipping took a little longer than expected.

Anonymous

Mar 27, 2026

Rating: 4/5

Good quality, slightly stiff at first

Solid construction and the L-shape gives good leverage. It was a bit tight out of the box but loosened up after a few uses. Great value for the price.

Anonymous

Mar 23, 2026

Rating: 5/5

Exactly what I needed

Used these for a 3D printer bed leveling upgrade. The quick locking feature is fantastic. No tools required for adjustment once installed.

Anonymous

Mar 18, 2026

Rating: 5/5

Sturdy and reliable

I ordered a mix of M5 and M8 sizes. The zinc plating looks durable and should resist rust in my garage environment. Highly recommend for DIY fixtures.

Anonymous

Mar 07, 2026

Rating: 5/5

Perfect for my workshop jig

The ratchet mechanism works smoothly and holds position very well. I bought the M10 size for a woodworking clamp and it saves so much time compared to standard wing nuts.

Anonymous

Mar 03, 2026

Rating: 5/5

Best clamping screw I've used

The adjustable position feature allows for fine-tuning pressure without losing the setting. Essential for anyone building custom jigs or holding fixtures.

5 FAQ

Q: Does this come with the matching threaded insert or just the bolt?

A: This product includes only the clamping handle screw itself. The threaded insert or receiver must be purchased separately if your application requires one.

Q: What is the maximum load capacity for the M10 version?

A: The safe working load varies based on the specific installation and material being clamped. For critical structural applications, please consult engineering specifications for Grade 8.8 carbon steel bolts of this diameter.

Q: Can I use the M16 size for outdoor applications?

A: While the zinc plating offers some corrosion resistance, we recommend applying additional protective coating or using stainless steel variants for prolonged exposure to harsh outdoor elements.

Q: Is the handle removable if I need to replace it?

A: The handle is permanently attached to the ratchet mechanism during manufacturing and is not designed to be removed or replaced separately.

Q: Do you offer bulk discounts for orders over 50 units?

A: Yes, we offer tiered pricing for bulk orders. Please contact our sales team directly through the 'Contact Seller' button on our store page for a custom quote.

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