BESSEY

BESSEY Bessey - CM40 Clamp

Clamp

4.6/ 5 on Amazon1,900Amazon ratings300+bought last month2.7ProductDome score

More reviewed than 91%

Limited evidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology

Best forBuy if you already know the CM40 fits your project and want a recognized BESSEY clamp.

A BESSEY branded clamp under the CM40 model, but confirm jaw opening and clamping capacity on the product listing before buying, since none of that is provided here.

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ProductDome scorecard

How it ranks among the 377 clamps we track

2.7/ 5ProductDome scoreLimited evidence

Owner satisfaction · 56% of scorecategory median 4.5★4.6

4.6★ across 1,900 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 257 ratings4.1

1,900 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score3.4

300+ bought on Amazon last month.

Data quality · 11% of score2.5

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 377 clamps we track - how the scorecard works · full clamps data report. Confidence: limited - incomplete product information.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

A BESSEY clamp listed under model CM40, with no dimensions, jaw opening or clamping force given in the available listing data, leaving brand and model as the main identifying details.

BESSEY is an established clamp maker, and the CM40 model designation is the main identifying detail here since the attribute field is empty. Buyers should check jaw opening and throat depth directly on the product page before ordering.

BESSEY brand clamp
Model CM40
Listed under the Clamps category
Moderate recent buyer volume reported

Who it's for

Suits someone who already knows the CM40 model and wants confirmation of brand, since size specific details are not included in this listing data.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out

Recognized BESSEY brand

What to check first

No jaw opening, throat depth or clamping force listed
No seller description provided

Performance notes

Without jaw opening, throat depth or clamping force listed, no comparison to other clamp sizes can be made from the available data.

Specifications

Brand	BESSEY
Model	Bessey - CM40

How it compares

This product against the closest alternatives we track in clamps.

Product	Amazon rating	Ratings	ProductDome score
BESSEY Bessey - CM40 ClampThis product	4.6 / 5	1,900	2.7 / 5
IRWIN 1964758 ClampIrwin	4.7 / 5	23,290	4.6 / 5
Yost LV-4 ClampYost	4.6 / 5	10,723	4.5 / 5
EMART EM-CLAMP-6EMART	4.7 / 5	4,997	4.4 / 5
10 WRDG Clamp10	4.4 / 5	5,270	4.4 / 5

Frequently asked

Questions about the BESSEY Bessey - CM40

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

What is the jaw opening of the BESSEY CM40?

The listing data does not include a jaw opening figure.

How many were bought recently?

Recent purchase data for this listing showed around 300 buyers in the past month.