SAE J429
Mechanical and Material Requirements for Externally Threaded Fasteners
1/4 in to 1-1/2 in (per grade)
UNC & UNF
Grade 2 / Grade 5 / Grade 8 / Grade 8.2
Hex Cap Screw / Bolt
Grade 2 Alloy / Stainless Steel
India
SAE
Salt-spray tested to relevant grade
Per property class / grade
Dry, corrosion-inhibited packing
| SAE Grade | Size Range (in) | Min Tensile (psi) | Min Yield (psi) | Min Proof (psi) | Hardness (HRC) |
|---|---|---|---|---|---|
| Grade 2 | 1/4–3/4 | 74,000 | 57,000 | 55,000 | — |
| Grade 2 | 7/8–1-1/2 | 60,000 | 36,000 | 33,000 | — |
| Grade 5 | 1/4–1 | 120,000 | 92,000 | 85,000 | 25–34 HRC |
| Grade 5 | 1-1/8–1-1/2 | 105,000 | 81,000 | 74,000 | 19–30 HRC |
| Grade 8 | 1/4–1-1/2 | 150,000 | 130,000 | 120,000 | 33–39 HRC |
Nominal thread diameter across external thread crests.
Number of thread peaks per inch of length.
Fastener length measured from bearing surface to end.
Threaded portion length measured from fastener end.
Every batch of SAE J429 Mechanical and Material Requirements for Externally Threaded Fasteners is manufactured under an ISO 9001:2015 certified quality management system with full in-process control.
A mill test report covering chemical composition, tensile, hardness and dimensional inspection accompanies every SAE J429 Mechanical and Material Requirements for Externally Threaded Fasteners shipment.
Commonly stocked SAE J429 Mechanical and Material Requirements for Externally Threaded Fasteners sizes leave our warehouse within 48 hours of order confirmation, minimising your downtime.
Established freight and customs partners ensure reliable delivery of SAE J429 Mechanical and Material Requirements for Externally Threaded Fasteners to buyers in over 50 countries worldwide.
Non-standard SAE J429 Mechanical and Material Requirements for Externally Threaded Fasteners lengths, diameters and special thread pitches are produced to order to match your drawing requirements.
Direct-from-factory pricing on SAE J429 Mechanical and Material Requirements for Externally Threaded Fasteners with no middleman markup, offering the best value on volume and repeat orders.
Hardness, tensile strength and dimensional checks for SAE J429 Mechanical and Material Requirements for Externally Threaded Fasteners are performed in our in-house laboratory before every release.
Combine SAE J429 Mechanical and Material Requirements for Externally Threaded Fasteners with other standard-specification fasteners into a single container shipment to reduce freight costs.
Our specialist team prepares all customs, compliance and shipping paperwork for every SAE J429 Mechanical and Material Requirements for Externally Threaded Fasteners export order.
