Size In Ready Stock
- 6.8 Grade Washer Size = M2 To M24
- 6.8 Bolt Size = M1.2 To M48
- Class 6.8 Stud Size = M4 To M100
- Gr 6.8 Nut Size = M2 To M80
Table of Content
Shipping Time and Location

PTT Global Chemical

Borealis
Grade 6.8 Bolts Specification
Size In Ready Stock
Head Type of Grade 6.8 Bolts
6.8 Grade Bolt Neck Type
Threads of Bolt Grade 6.8
Class 6.8 Bolts Head Drive
Metric Grade 6.8 Bolts Ends Types
Grade 6.8 Threaded Rod
Grade 6.8 Stud Bolts
Grade 6.8 Screw
Grade 6.8 Washer
Manufacturing Process
Top 3 Advantages
Testing Checklist
Application
Packaging Types
Origin of Raw Material
Grade 6.8 Material Shear Capacity
| Size | Shear Capacity (140 N/mm2) |
|---|---|
| M2 | 0.44 kN |
| M3 | 0.99 kN |
| M4 | 1.76 kN |
| M5 | 2.75 kN |
| M6 | 3.96 kN |
| M8 | 7.04 kN |
| M10 | 11 kN |
| M12 | 15.8 kN |
| M14 | 21.6 kN |
| M16 | 28.1 kN |
| M18 | 35.6 kN |
| M20 | 44 kN |
| M22 | 53.2 kN |
| M24 | 63.3 kN |
| M27 | 80.2 kN |
| M30 | 99 kN |
| M33 | 119.7 kN |
| M36 | 142.5 kN |
| M39 | 167.2 kN |
| M42 | 194 kN |
| M45 | 222.7 kN |
| M48 | 253.3 kN |
| M52 | 297.3 kN |
| M56 | 344.8 kN |
| M60 | 395.8 kN |
Standard of Class 6.8 Bolts
Grade 6.8 Threaded Rod Finishing
6.8 Grade Bolt Hardness
Hardness of Grade 6.8 bolts is 89 HRB
6.8 Hexagon Bolt Yield Strength
480 MPa (N/mm²)
Grade 6.8 Bolt Torque
| Sizes | Grade 6.8 Bolt Torque |
|---|---|
| M2 | 0.28 N.m |
| M3 | 1.01 N.m |
| M 4 | 1.91 N.m |
| M6 | 7.85 N.m |
| M8 | 19 N.m |
| M10 | 38.1 N.m |
| M12 | 65.1 N.m |
| M14 | 104 N.m |
| M16 | 160 N.m |
| M18 | 220 N.m |
| M20 | 312 N.m |
| M22 | 422 N.m |
| M24 | 539 N.m |
| M30 | 1080 N.m |
| M36 | 1888 N.m |
| M39 | 2452 N.m |
| M42 | 3036 N.m |
| M45 | 3800 N.m |
| M48 | 4576 N.m |
| M56 | 7300 N.m |
| M60 | 9076 N.m |
Grade 6.8 Bolt Tensile Strength
600 MPa (N/mm²)
6.8 Grade Chemical Composition
Types Of Grade 6.8 Fasteners
Grade 6.8 Hex Bolt
6.8 Grade Heavy Hex Bolt
Stud Bolt Grade 6.8
Steel Grade 6.8 Threaded Rod
Grade 6.8 Anchor Bolts
Grade 6.8 Foundation Bolt
Mild Steel Grade 6.8 Socket Head Cap Screws
M20 Grade 6.8 Countersunk Screws
M12 Class 6.8 U Bolt
M16 6.8 Square Head Bolt
M24 Gr 6.8 Hex Nuts
PTFE Coated Cap Screw Grade 6.8
6.8 Black oxide Carriage Bolts
Grade.6.8 J Bolt
Class 6.8 Flat Washer