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Alloy steel M5X12 grade10.8 HRC32~39 assemble torque data
- usually is 35+6/-6 Kg
standard tolerance of hex socket cap screw
Torque R(N/mm^2)vs hardness HRC
Screw grade vs HRC fdata
- 8.8 grade: HRC22~32
  
  10.9 grade: HRC32~39
  
  12.9 grade: HRC39~43
suggest to M2X6 round phlip machine screw assemble torque data
- M2X6
  
  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.
can you offer screw approval paper?
- Yes we can,including screw drawing, quality report ,platting thickness report, salt spray test report, control plane, CPK control paper,material certification
trivalent black zinc salt spray test can pass 120 hrs?
- yes we can ,please see this attached
M8 flange head screw 10.9 grade assemble torque
- Max:350Kgf-cm
can you offer environment guaranty paper to us?
- yes we can offer RoHS,REACH declare ,SMDS
What is the Torque test data of M6 flange bolt
- M6xP1.0x16 Hex head flange bolt ,material SCM435 HRC:33~38, TORQUE TEST REPORT DATA : NO LESS THAN 205kgf-cm

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