Grade 4.8 to 12.9 Steel Zinc Plated Hex Cap Screws Bolts DIN 933 M1.6 to M52

Grade 4.8 to 12.9 Steel Zinc Plated Hex Cap Screws Bolts DIN 933 M1.6 to M52

M1.6 to M52 standard DIN933 hex cap screws with grade 4.8 to?12.9 for vast applicaton requests .

Hex cap screw is also known as hex bolt . Normally . it has a hexagonal head with chamfer edges for hex socket wrench or spanner rotating during operation , machine thread style is fine or course and the threaded length is about 2/3 of total shaft length for the lengths over 70 mm .

Full Specifications

We offer hex cap screws from M1.6 to M52 ( thread diameter ) and max length is up to 350 mm .

?DIN933/GB5783-86/ISO4017

Materials

The property class for hex cap screws involve 4.8 ,6.8 ,8.8 ,10.9 and 12.9 , different classes different material to be taken .

Stainless steel : SUS 201, SUS 304 ,SUS 316 , SUS 416 ,SUS 430 and SUS 420 ( above?grade 8.8 )

Carbon steel : 1008 , 1010 , 1018 , 1022 , 1035 , 1045 , SCM 435 and 40CRO ( ?grade 4.8 to ?12.9 )

Aluminum : 2024 , 6061 and 7075 ?(Below grade 4.8 )

Brass : CuZn35 , CuZn37 , CuZn40 , CuZn37Pb1 and CuZn39Pb1 ( Below grade 4.8 )

Note : Aluminum and brass material are for quite light-load .

Finish

Applications

Hex cap screws are widely used to different areas for industry and agricultures

Aerospace

Vessel

Trucks and cars

Official items

Furniture

Building

Railway

Industrial machines