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8.8 grade: HRC22~32
10.9 grade: HRC32~39
12.9 grade: HRC39~43
we sugget to 3 option
1.Zinc plating material:1018A hardness broken torque:2.5~3.0Kg suggest assemble torque:2.0Kg around
2..Nickel plating material:1018A hardness broken torque:3.5~4.0Kg suggest assemble torque:2.8Kg around
3.Unplating material:sus304 broken torque:1.5~2.0Kg suggest assemble torque:1.2Kg around1.
Yes we can,including screw drawing, quality report ,platting thickness report, salt spray test report, control plane, CPK control paper,material certification
yes we can ,please see this attached
yes we can offer RoHS,REACH declare ,SMDS
M6xP1.0x16 Hex head flange bolt ,material SCM435 HRC:33~38, TORQUE TEST REPORT DATA : NO LESS THAN 205kgf-cm
our stock size from M4 up tp M10,
We have over 50 years of experience
in designing,research and developing
of any spec and any quantity,we also
have more than 50 years of experience with manufacturing background.
We specialize in Screw,Bolt,Washer,
Nut,Rivet,Ball Plunger,Self tapping
thread insert,Low height hex socket cap screw,Multi-station customized screw
and many more.
Tel：03-3125261 , Fax：03-3125676
Add：4th Floor, No. 540, Minsheng
North Road, Guishan District, Taoyuan City, Taiwan