GB/T 65-2016Slotted cheese head screws (English PDF)

3098.10 and GB/T 3103.1." (Chapter 1 of Edition 2000);

--- Unify the reference screw standards to be GB/T 193, GB/T 9145 (see Chapter

2);

--- Increase the property class of steel and non-ferrous metal screws of "d< 3mm, as

per agreement" (see Table 2);

--- Increase the steel screws non-electrolytically applied zinc flake coating technical

requirements as per GB/T 5267.2 (see Table 2);

--- Increase the stainless steel screws passivation treatment technical requirements

as per GB/T 5267.4 (see Table 2);

--- Increase the non-ferrous metal screws electroplating technical requirements as

per GB/T 5267.1 (see Table 2).

This Standard adopts re-drafting method to modify and use ISO 1207.2011 Slotted

Cheese Head Screws – Product Grade A (English Edition).

The technical differences and causes between this Standard and ISO 1207.2011 are

as follows.

--- Delete the provision of ISO 1207. "if other technical requirements are needed,...

the selections in ISO 3506-1, ISO 4759-1." (Chapter 1), which don't belong to

the contents specified in this Standard;

--- In the normative references, use national standards to replace the international

standards (Chapter 2); add the reference of GB/T 90.2 (Table 2), and GB/T 1237

(5.1); delete the reference of ISO 965-3 so that conform to China's fastener basic

standard;

--- Increase the property class of steel and non-ferrous metal screws of "d< 3mm, as

per agreement" (Table 2); expand the applicable scope of this Standard;

--- Increase the provisions of property class of non-ferrous metal screws (Table 2),

expand the applicable scope of this Standard;

--- Increase the packaging technical requirements (Table 2) so that conform to

China's fastener basic standard;

--- Modify the marking examples into simplified marking examples (5.2) so that

conform to the provisions of GB/T 1237.

This Standard also has the following editorial changes.

--- Modify the standard name;

--- Delete the bibliography of ISO 1207.

This Standard was proposed by China Machinery Industry Federation.

This Standard shall be under the jurisdiction of National Technical Committee for

Standardization of Fastener (SAC/TC 85).

Drafting organizations of this Standard. China Productivity Center for Machinery.

Participating drafting organizations of this Standard. Machinery Industry General Parts

Product Quality Supervision and Inspection Center, and Ningbo Zhongji Machine Parts

Inspection Co., Ltd.

This Standard shall be interpreted by the Secretariat of National Technical Committee

Slotted Cheese Head Screws