- +91 90333 11425
- sales@jmiksfasteners.com
- 159-Vishala Platinum Ind. Estate, S.P. Ring Road, Nava Odhav, Ahmedabad - 382415, Gujarat, India.
JMIKS Fasteners supplies B7 and B8 stud bolts (fully threaded studs) in grades B7, B8, B8M and L7, from M6 to M36 and ¼” to 1-1/4″ BSW, in lengths from 20 mm to 500 mm, to DIN and ASTM standards.
Standard : DIN/ ASTM
Size : Metric : M6 To M36 / BSW : ¼” to 1-1/4”
Material Grade : B7 , B8 , B8M , L , L7
Length : 20mm to 500mm
| Grade | Material | Typical use |
|---|---|---|
| B7 | Chromium-molybdenum alloy steel (ASTM A193) | High-temperature, high-pressure flanges in oil, gas and power plants |
| B8 | Stainless steel 304 (ASTM A193) | Corrosion-resistant service in food and chemical plants |
| B8M | Stainless steel 316 (ASTM A193) | Chlorides, sea water and harsh chemicals |
| L7 | Alloy steel for low temperature (ASTM A320) | Cold and low-temperature service |
B7 studs are normally used with ASTM A194 grade 2H heavy hex nuts.
B7 studs are hardened alloy steel with high strength for high-temperature service. B8 studs are stainless steel 304 and are chosen for corrosion resistance rather than strength.
Stud bolt length is normally given from first thread to first thread, without the chamfered ends. Please mention how you measure it in your enquiry.
