Hex Cap Screw, Class 12.9,, Steel, Zinc Finish, M20-2.5 x 130 mm
(Pack of
2)
SKU:84507A Item#: 84507A
The MJ Series thread form that Lawson uses on its cap screws offers improved fatigue strength over common threads. The more generous root radius puts more material at the key stress points of the threads.
The metric equivalent of Lawson’s Tru-Torq® fasteners
Exceeds standard 10.9 strength characteristics by 25% for that extra margin of safety
Dimensions conform to ISO 4014 and 4017 specifications, except for increased head height for better wrenching ability
Special fatigue-resistant MJ (UNJ) thread form that meets ANSI dimensions
Fully traceable to Lawson
Property Class 12.9 1,242 MPa (180,000 PSI) minimum ultimate tensile strength
Frequently Bought Together
Butt Connector 22 to 18 AWG Red
Couldn't load pickup availability
Cross-Over Socket Extension Set, 3/8" Drive, 3 Piece
Couldn't load pickup availability
Lawson Open & Shut Nut & Bolt Loosener, Rust Penetrant, SKU DA6152, 20 oz Aerosol Can
Couldn't load pickup availability
Product Description
The MJ Series thread form that Lawson uses on its cap screws offers improved fatigue strength over common threads. The more generous root radius puts more material at the key stress points of the threads. The metric equivalent of Lawson’s Tru-Torq® fasteners
Exceeds standard 10.9 strength characteristics by 25% for that extra margin of safety
Dimensions conform to ISO 4014 and 4017 specifications, except for increased head height for better wrenching ability
Special fatigue-resistant MJ (UNJ) thread form that meets ANSI dimensions
Fully traceable to Lawson
Property Class 12.9 1,242 MPa (180,000 PSI) minimum ultimate tensile strength
Technical Specifications
| Item#: | 84507A |
|---|---|
| Style | Premium |
| Diameter | M20 |
| Thread Pitch | 2.5 |
| Thread | Coarse |
| Length | 130 mm |
| Type | Hex Cap Screw |
| Across Flats | 30 mm |
| Material | Alloy Steel |
| Grade | 12.9 |
| Finish | Zinc |
| Tensile Strength | 1,242 MPa |
| Specifications | DIN 931 |
| Head Style | High Hex |
| Head Height | 15 mm |
| Thread Length | Partial |
| UNSPSC #: | 31161501 |
| TAA Compliant: | Yes |
| Weight: | 1.65 lb |
