Bessey SG40M Heavy-Duty All-Steel Screw Clamp Capacity 400mm
Increasingly high clamping pressures, with larger throat depths and wider openings. These are the demands that original BESSEY high-performance clamps need to fulfil on a daily basis. Used in steel and boiler construction, shipbuilding and automotive engineering. Also in heavy timber construction, laminated wood beam construction and carpentry. In other words, wherever sturdy or heavy parts need to be clamped very securely, with a very high clamping pressure. Developed on the basis of the tried-and-tested BESSEY all-steel screw clamp, the original BESSEY high-performance clamps fulfil all requirements with panache... again and again!
The high-performance clamp.
Your benefits at a glance:
Extremely sturdy.
Fixed bracket and pressure plate are produced and tempered from a single piece, thus very torsion-resistant. This guarantees you maximum tensile strength and sturdiness.
Special tilting pressure plate.
The heat-resistant pressure plate is replaceable and can be tilted up to 35° so it can even clamp on angled or sloping surfaces.
Tempered spindle.
The tempered spindle is particularly sturdy and wear-resistant. This considerably increases its durability.
Sturdy tommy bar.
The sturdy tommy bar has special rounded hand-friendly ends, as well as a hexagonal bolt. This allows powerful, controlled clamping.
The Bessey SG40M has the following:
Clamping force up to 12,000N
Tightening torque: 40Nm
Opening 400mm
Throat depth 140mm
Rail 34 x 13mm
Weight 3.17Kg
Why Shop With Us
Why Shop With Us
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Delivery & Returns
Delivery & Returns
Delivery times vary based on the selected product option. As we operate from multiple locations, despatch may take longer if the item is stored in a specific location. Check the options below for available shipping methods, costs, and estimated delivery times.*
Click & Collect
from Paignton (TQ4 7AU)

Ready for collection
Ready to collect within 2-3 working days*
Royal Mail Tracked Standard
FREE for orders over £60

Delivery within 2-3 working days
Delivery within 4-5 working days
Royal Mail Express

Delivery within 1 working day
Delivery within 3-4 working days
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Delivery within 1 working day
Delivery within 3-4 working days
Please be advised that the shipping options listed above apply to mainland UK. Delivery times, shipping services, and costs may vary depending on your postcode and location. Certain areas may be subject to additional charges or extended delivery times due to logistical constraints. We recommend reviewing the available shipping options at checkout for the most accurate pricing and estimated delivery timeframe.
Easy Returns
30-day no-hassle return policy
- Return or exchange within 30 days of delivery
- Items must be unused, unfitted, and in original packaging
- Quick & easy refund or exchange process
- Dedicated support for all return enquiries
For more info, see our full returns policy.
Specifications
Specifications
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SubcategoryHand Tools
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TypeWoodworking Tools
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CategoriesClamps