FastenerHigh 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

High Tensile Fasteners — product range

Available Sizes & Dimensions

15 sizes
SizeGrade / ClassStandardFinishEnquire
M12HSFGDIN 6914Self Colour / BlackEnquire
M16HSFGDIN 6914Self Colour / BlackEnquire
M20HSFGDIN 6914Self Colour / Black / ZPEnquire
M22HSFGASTM A325MSelf Colour / Black / ZPEnquire
M24HSFGASTM A325MSelf Colour / Black / ZPEnquire
M27HSFGASTM A490MZP / YZP / HDGEnquire
M30HSFGBS 4395-1ZP / YZP / HDGEnquire
M36HSFGBS 4395-2ZP / YZP / HDGEnquire
1/2"HSFGASTM A325Self Colour / BlackEnquire
5/8"HSFGASTM A325Self Colour / BlackEnquire
3/4"HSFGASTM A490Self Colour / Black / ZPEnquire
7/8"HSFGASTM A490Self Colour / Black / ZPEnquire
1"HSFGJIS 1186ZP / HDGEnquire
1-1/8"HSFGAS 1252ZP / HDGEnquire
2-1/2"HSFGAS 1252HDG / DacrometEnquire

Don’t see your size? We manufacture custom specifications — contact us with your exact requirements.

Custom Enquiry

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Get a quote for HSFG Structural Bolts — standard stock or custom specification.

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+91-9841314367 (Mr. Mustafa)

ISO 9000:2008 Certified

Quality assured since 2005 · Est. 1969

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Standard stock and custom specifications. Same-day dispatch available on select sizes.