Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material Composition	Alloy Steel 40Cr
Strength Grade	12.9
Surface Finish	Black Oxide
Thread Type	Metric Coarse
Head Style	Hexagon
Hardness Range	HRC 39-44
Package Weight	2.5 kg
Total Pieces	150 Items
Included Hardware	Bolts, Nuts, Washers, Studs
Storage Case	Plastic Organizer Included

5 reviews

Anonymous

Apr 14, 2026

Rating: 5/5

Excellent Hardness

Used these for my suspension setup. They held torque perfectly without stripping.

Anonymous

Apr 13, 2026

Rating: 5/5

Complete Kit

Love that washers and studs are included. Saved me a trip to the hardware store.

Anonymous

Apr 11, 2026

Rating: 4/5

Good Value

Quality is solid for the price. One nut was slightly cross-threaded but rest were fine.

Anonymous

Apr 03, 2026

Rating: 5/5

Professional Grade

I use these in my machine shop. Grade 12.9 is legitimate here.

Anonymous

Feb 14, 2026

Rating: 5/5

Fast Shipping

Arrived quickly and well organized in the box. Very satisfied.

5 FAQ

Q: Is a torque wrench needed?

A: Yes, for Grade 12.9, proper torque is essential for safety.

Q: Can these be used outdoors?

A: They have black oxide finish. For outdoor use, we recommend applying grease.

Q: What sizes are included?

A: The set includes M6, M8, M10, and M12 various lengths.

Q: Are these stainless steel?

A: No, these are alloy steel for maximum strength, not stainless.

Q: Do you sell replacement cases?

A: Currently, the case is only included with the full set purchase.

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