Detail & Specs
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M20X2.5 EXTREME STRENGTH Class 12.9 Metric Hex Bolts
High tensile fastening solution. Tensile strength: 170,000 psi.
Hex bolts can be used with many different styles of locking and non-locking nuts to clamp tightly to whatever the bolt is being used to secure. A wrench is used to install and tighten hex bolts.
Also known as extra strong coarse thread hex cap screw, HHCS, extra hard hexagonal head screw, six sided head screw with machine thread, machine bolts.
Finish
A black oxide finish provides minimal corrosion resistance, best for indoor, dry environments. This finish is not suitable for outdoor applications, and will rust when exposed to moisture.
Specification
DIN 933 Fully threaded hex bolts are often referred to as tap bolts, the entire length of the bolt is meant to engage with a tapped hole.
DIN 931 Partially threaded hex bolts have an unthreaded length under the head that is stronger than the threaded portion of the bolt.
Nuts + Washers
To be used with locking or non-locking nuts or in a tapped hole.
Pair with locking or non-locking Class 12 nuts and extreme strength lock washers such as Nord-Lock.
Special Order Variations
Need a fine thread Class 12.9 fastener? Check out our Socket Head 12.9 fine thread bolts.
