SAE J429 Grade 8 Hex Bolts Hex Cap Screws
Standard: ASME B18.2.1 various types of head are available
Thread Size: 1/4”-1.1/2” with various lengths
Grade: SAE J429 Grade 8
Finish: Black Oxide, Zinc Plated, Hot Dip Galvanized, Dacromet, and so on
Packing: Bulk about 25 kgs each carton, 36 cartons each pallet
Advantage: High Quality and Strict Quality Control, Competitive Price,Timely Delivery; Technical Support, Supply Test Reports
Please feel free to contact us for more details.
SAE J429 covers the mechanical and material requirements for inch series fasteners used in automotive and related industries in sizes to 1-1/2” inclusive.
Below is a basic summary of the most common grades. SAE J429 covers a number of other grades and grade variations not covered in this summary, including 4, 5.1, 5.2, 8.1, and 8.2.
| Grade | Nominal Size, inches | Full Size Proofload, psi | Yield Strength, min, psi | Tensile Strength, min, psi | Elong, min, % | RA, min, % | Core Hardness, Rockwell | Tempering Temperature, min |
|---|---|---|---|---|---|---|---|---|
| 1 | 1/4 thru 1-1/2 | 33,000 | 36,000 | 60,000 | 18 | 35 | B7 to B100 | N/A |
| 2 | 1/4 thru 3/4 | 55,000 | 57,000 | 74,000 | 18 | 35 | B80 to B100 | N/A |
| Over 3/4 thru 1-1/2 | 33,000 | 36,000 | 60,000 | 18 | 35 | B70 to B100 | ||
| 5 | 1/4 thru 1 | 85,000 | 92,000 | 120,000 | 14 | 35 | C25 to C34 | 800F |
| Over 1 thru 1-1/2 | 74,000 | 81,000 | 105,000 | 14 | 35 | C19 to C30 | ||
| 8 | 1/4 thru 1-1/2 | 120,000 | 130,000 | 150,000 | 12 | 35 | C33 to C39 | 800F |
| Grade 2 requirements for sizes 1/4" thru 3/4" apply only to bolts 6" and shorter, and to studs of all lengths. For bolts longer than 6", Grade 1 requirements shall apply. | ||||||||
| Grade | Material | Carbon, % | Phosphorus, % | Sulfur, % | Grade Marking |
|---|---|---|---|---|---|
| 1 | Low or Medium Carbon Steel | 0.55 max | 0.030 max | 0.050 max | None |
| 2 | Low or Medium Carbon Steel | 0.15 - 0.55 | 0.030 max | 0.050 max | None |
| 5 | Medium Carbon Steel | 0.28 - 0.55 | 0.030 max | 0.050 max | |
| 8 | Medium Carbon Alloy Steel | 0.28 - 0.55 | 0.030 max | 0.050 max |
| Nuts | Washers |
|---|---|
| J995 | N/A |
For fasteners larger than 1-1/2″ in diameter, the following ASTM grades should be considered.
| SAE J429 Grade | ASTM Equivalent |
|---|---|
| Grade 1 | A307 Grades A or B |
| Grade 2 | A307 Grades A or B |
| Grade 5 | A449 |
| Grade 8 | A354 Grade BD |
| This chart compares SAE and ASTM specifications that are similar but not identical in diameters through 1½". | |
Buy from our store
https://stores.ebay.in/RunningOOS
https://www.ebay.in/itm/281941385929?
AVALIABLE FROM YOUR LOCAL SIP DISTRIBUTOR NOW!
These heavy duty SIP MIG welders are perfect for any busy automotive garage or workshop.
Autoplus 181DP – Dual Purpose MIG Welder
Item No: 04791
• 230v (32amp) supply • Dual purpose for welding with or without gas • 8 power settings
• Very high duty cycle: 70amps @ 100%, 90amp @ 60%, 180amp @ 15% (full power)
• 30amp low current performance for easy welding on thin bodywork
• Variable wire spool size capability to accept 5kg and 15kg spools
• Turbo-fan cooled for increased duty cycle • Wheel mounted for excellent manoeuvrability
Autoplus 211DP – Dual Purpose MIG Welder
Item No: 04793
• 230v (42amp) supply • Dual purpose for welding with or without gas
• Contains high quality smoothing capacitors for exceptional welding consistency even on very thin material
• Very high duty cycle: 105amps @ 100%, 135amp @ 60%, 210amp @ 25% (full power)
• 30amp low current performance for easy welding on thin bodywork
• Variable wire spool size capability to accept 5kg and 15kg spools
• Turbo-fan cooled for increased duty cycle • Wheel mounted for excellent manoeuvrability
Both models supplied complete with: Professional Euro connection MIG torch with 3 metre cable, gas hose, 5kg spacer, link cable, earth lead welding mask, wire brush/chipping hammer and 3x wire feed rollers (0.6/0.8mm, 0.8/1mm and 0.8serratated/1mm).
—
A family company based in Leicestershire, SIP Industrial Products has grown to become one of the largest and most respected suppliers of a range of industrial equipment worldwide.
Here at the Tech Zone, we are striving to provide working product demonstrations from our workshop so you can see our kit in action!
For more information, feel free to check out the following links:
- Our latest promotion: https://issuu.com/sip2011/docs/sip-autumn-winter-promo-uk-060916-c
- Facebook: https://www.facebook.com/sipindustrial/
- Twitter: https://twitter.com/SIPindustrial
- SIP website: https://www.sip-group.com