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Home / Connectors and Fasteners / Grade 12.9 Socket Shoulder Screws for Mold Applications, Precision Stop Bolts M5-M12
Connectors and Fasteners

Attributes

Brand -
Category Industrial Small Parts / Connectors and Fasteners
Origin -
Material Grade Alloy Steel 42CrMo
Hardness Class 12.9
Surface Finish Black Oxide Coating
Thread Standard ISO Metric
Available Sizes M5, M6, M8, M10, M12
Shoulder Tolerance h6/h7 Precision
Head Type Socket Shoulder
Drive Type Internal Hexagon
Tensile Strength 1220 N/mm²
Origin Manufactured in ISO Certified Facility

5 reviews

A

Anonymous

Mar 29, 2026

Rating: 5/5

Perfect for Fixtures

Used these for jig setup in our workshop, very reliable and consistent dimensions.

A

Anonymous

Mar 24, 2026

Rating: 5/5

Strong and Durable

Withstood high torque without stripping. These are genuine 12.9 grade fasteners.

A

Anonymous

Feb 27, 2026

Rating: 5/5

High Quality Steel

No deformation under load. We use these for high-stress applications regularly.

A

Anonymous

Feb 09, 2026

Rating: 5/5

Excellent Precision

Shoulder diameter was spot on for our mold bases. Very satisfied with the machining quality.

A

Anonymous

Feb 04, 2026

Rating: 4/5

Good Value

Quality is good for the price, shipping took a bit long but product arrived intact.

5 FAQ

Q: Are these suitable for outdoor use?

A: Black oxide offers some protection, but additional plating is recommended for harsh environments.

Q: Can I get a VAT invoice?

A: Yes, a 13% VAT invoice is available for this product upon checkout.

Q: What hex key size is needed for M10?

A: Usually an 8mm hex key is required for M10 socket head cap screws.

Q: What is the lead time for bulk orders?

A: Typically 3-5 business days for stock items, longer for custom lengths.

Q: Is a material certificate included?

A: Yes, mill certificates are available upon request for bulk orders.

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