Difference Between GB/T 6170 Hex Nuts and GB/T 6175 Hex Nuts

GB/T 6170 hex nut abbreviation: GB6170 hex nut;

GB/T 6175 hex nut hereinafter referred to as GB6175 hex nut.

First of all, let’s take a look at the full name of the standard:

GB/T 6170-2000 type 1 hex nuts (replaced by GB/T 6170-2015)

GB/T 6175-2000 type 2 hex nuts (replaced by GB/T 6175-2016)

Here is a brief introduction to the two standards:

hex nuts, stainless steel nuts, hex flange nuts, hex bolts and nuts, style 2:

Introduction of the standard

This standard specifies the type dimensions, technical conditions, and marking of type 2 hex nuts, stainless steel nuts, hex flange nuts, hex bolts, and nuts.

This standard is applicable to type 2 hexagon nuts with thread sizes M5 to M36, performance grades 10 and 12, product grades A and B. Nuts, class A, D≤M16; Nuts, class B, for D > M16.

GB/T 6170-2015 hex nuts, stainless steel nuts, hex flange nuts, hex bolts, and nuts, style 1.

Introduction of the Standard of Hex Nuts

This standard specifies the type dimensions, technical conditions, and marking of type 1 hex nuts, stainless steel nuts, hex flange nuts, hex bolts, and nuts.

This standard is applicable to type 1 hexagon nuts with thread sizes M1.6 to M64, performance classes 6, 8, and 10, A250, A270, A450, A470, Cu2, Cu3, and AL4, product grades A and B.Class A for nuts with D≤16 mm; Class B for D BBB 0 16 mm nuts.

GB6170 hex nut and GB6175 hex nut specifications will be different.

If you are interested in our products, welcome to send your requirements with your drawings to us via email. We are very glad to give you the most favorable quotation.