Fastener — High Tensile Fasteners
HSFG Structural Bolts
High Strength Friction Grip (HSFG) structural bolts for friction-type structural connections. Metric M12-M36 and imperial 1/4"-2-1/2" sizes. To GB, DIN 6914/6915/6916, ASTM A325/A490 and BS 4395 standards.
DIN 6914ASTM A325ASTM A490BS 4395AS 1252
Technical Specifications
ParameterValue / Range
- Metric Size
- M12 to M36
- Inch Size
- 1/4" to 2-1/2"
- Finish
- Self Colour / Black / ZP / YZP / H.D.G / Dacroment
- Standards
- GB 1228/1229/1230 / DIN 6914/6915/6916 / ASTM A325M / ASTM A490M / AS 1252 / ASTM A325 / ASTM A490 / BS 4395 Part 1 & 2 / JIS 1186
Size Range
M12 to M36 / 1/4" to 2-1/2"
Standards
DIN 6914 · ASTM A325 · ASTM A490 · BS 4395 · AS 1252
Available Sizes & Dimensions
15 sizes| Size | Grade / Class | Standard | Finish | Enquire |
|---|---|---|---|---|
| M12 | HSFG | DIN 6914 | Self Colour / Black | Enquire |
| M16 | HSFG | DIN 6914 | Self Colour / Black | Enquire |
| M20 | HSFG | DIN 6914 | Self Colour / Black / ZP | Enquire |
| M22 | HSFG | ASTM A325M | Self Colour / Black / ZP | Enquire |
| M24 | HSFG | ASTM A325M | Self Colour / Black / ZP | Enquire |
| M27 | HSFG | ASTM A490M | ZP / YZP / HDG | Enquire |
| M30 | HSFG | BS 4395-1 | ZP / YZP / HDG | Enquire |
| M36 | HSFG | BS 4395-2 | ZP / YZP / HDG | Enquire |
| 1/2" | HSFG | ASTM A325 | Self Colour / Black | Enquire |
| 5/8" | HSFG | ASTM A325 | Self Colour / Black | Enquire |
| 3/4" | HSFG | ASTM A490 | Self Colour / Black / ZP | Enquire |
| 7/8" | HSFG | ASTM A490 | Self Colour / Black / ZP | Enquire |
| 1" | HSFG | JIS 1186 | ZP / HDG | Enquire |
| 1-1/8" | HSFG | AS 1252 | ZP / HDG | Enquire |
| 2-1/2" | HSFG | AS 1252 | HDG / Dacromet | Enquire |
Don’t see your size? We manufacture custom specifications — contact us with your exact requirements.
Custom EnquiryReady to order?
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+91-9841314367 (Mr. Mustafa)ISO 9001:2015 Certified
Cert. No. RQ91/JA/RE1/2616 · Est. 1969
Also in High Tensile Fasteners
View All →Applications
- Structural steel connections
- Heavy machinery & equipment assembly
- Automotive chassis & engine mounting
- HSFG friction-grip structural joints
Related Products
Need HSFG Structural Bolts?
Standard stock and custom specifications available. Contact us for current availability and lead times.