The head of a heavy hex bolt is wider and thicker than that of a hex bolt.
A heavy hex bolt goes with a heavy hex nut.

Heavy Hex Bolt

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Heavy Hex Bolt

  • heavy-hex-bolt1

METRIC SERIES STRUCTURAL BOLTS

Dimensions and threads will be in metric series as per respectively. Europe and Asia use the Metric System but Recently, metric bolts have become more popular in the United States & in Gulf countries because of international businesses that need parts that are compatible with products from other countries.

BOLT SPECIFICATIONS
ASTM A325M , A490M , A193M, BS 4395 , DIN 6914 & EN ISO 14399
THREAD SPECIFICATIONS
ANSI /ASME B1.13M – 6g
PRODUCT RANGE
Size range as covered in the above standards
HEAD MARMING & SUITABLE NUTS
BOLT SPEC HEAD MARKING SUITABLE NUTS
ASTM A325M TY-1 SANF 8S A325M ASTM A563M CL-10S/GR-DH, A194M GR-2H
ASTM A490M TY-1 SANF HV 10.9 ASTM A563M CL-10S/GR-DH, A194M GR-2H
ASTM A193M SANF + CLASS ASTM A563M CL-10S/GR-DH, A194M GR-2H
BS 4395 PT-1 SANF + ISOM +3LINES BS 4395 PT- 1
BS 4395 PT-2 SANF + ISOM +10.9 BS 4395 PT-2
DIN 6914 CL-10.9 SANF HV 10.9 DIN 6915 CL-10
EN ISO 14399. SANF HV 10.9 EN ISO 14399.

INCH SERIES HEAVY HEX BOLTS

DIMENSIONS AND THREADS OF THESE BOLTS WILL BE AS PER RESPECTIVELY
Various specifications inclueds ASTM A307, A325, A490

THREAD SPECIFICATIONS
ASTM A307 GR – B
Standard specifications for carbon steel bolts & stud with 60,000 psi strength.
HEAVY HEX STRUCTURAL TYPE BOLTS
ASTM A325
Standard specifications for structural bolts ,steel,heat treated ,120/105 ksi minimum tensile strength.
ASTM A490
Standard specifications for structural bolts ,Alloy steel,heat treated ,150 ksi minimum tensile strength.These high strength bolts are designed to be used structural connections and have shorter thread lengths which are compliant with the standards from the American Institute of Steel Construction (AISC), the American Association of State Highway and Transportation Officials (AASHTO )the American Society for Testing Materials (ASTM).NOTE
ASTM A325 was officially withdrawn in 2016 and replaced by ASTM F3125,The F3125 specification is a consolidation and replacement of six ASTM standards, including; A325, A325M, A490, A490M, F1852, and F2280.Information on A325 is for reference and informative purpose only
PRODUCT RANGE
Size range as mentioned in the above standards.
HEAD MARKING
SPECIFICATION HEAD MARKING SUITABLE NUTS
ASTM A307 GR-A,B,C SANF + GRADE A563
ASTM A325 TY-1 SANF +A325 A194 GR-2H
ASTM A490 TY-1 SANF + A490 A194 GR-2H

Gulf Stud manufactures wide range of quality fasteners in Low,Medium and High strength using Carbon and Alloy steel with state of art Heat treatment furnances in different sizes and grades as per various international standards as well as per customer supplied drawings.

We Manufacture Hexagon shape bolts with partial or full threads with standard or non standard thread lengths using cold & hot forging techniques in various diameters & length , Hex bolts are tightened with a wrench and are used to connect metal parts are named for the six sides on the bolt head and these bolts are used in nearly every industry specifically in building & construction industries.

  • 0N6A7083-Copy-scaled-e1575455997548
  • 0N6A7173-Copy-scaled-e1575456031239

PARTIAL THREAD

  • 0N6A7145-Copy
  • 0N6A7148-Copy

FULL THREADED

METRIC HEX BOLTS

DIMENSIONS AND THREADS OF THESE BOLTS ARE IN METRIC SERIES. Europe and Asia use the Metric System but Recently, metric bolts have become more popular in the United States & in Gulf countries because of international businesses that need parts that are compatible with products from other countries.

SPECIFICATIONS

Various specification of Metric Hex Bolts we manufacture are as below :

DIN 931, DIN 960, DIN 961, DIN 933, DIN 7990, DIN 6914, DIN 267, BS 3692, BS 4190, ISO 4014, ISO 4016 ISO 4017, JIS B1180, UNI 5727, UNI 5737, UNI 5738, UNI 5739 & UNI 5740 etc.
PRODUCT RANGE
M6 to Ml0 upto 75mm in Length & Ml2 to M48 upto 500mm in Length
THREAD SPECIFICATION
DIN 13-6g / ISO 965-1 /ANSI B1.13M-6g / BS 3643 /JIS B 0209.
BOLT HEAD MARKING : SANF ( our logo ) + Class /Grade.
BOLT SPEC HEAD MARKING SUITABLE NUTS
DIN 931, DIN 960, DIN 933, DIN 7990, UNI SANF + CLASS DIN 934, DIN 555
ISO 4014, ISO 4016, ISO 4017, JIS B1180 SANF + CLASS ISO 4032 ,ISO 4034, JIS B1181
BS 3692, UNI SANF + CLASS BS 3692 & UNI
CLASS / GRADES
Strength Classes are from 4.6 to 12.9 as per ISO 898 – part -1.

INCH HEX BOLTS

DIMENSIONS AND THREADS OF THESE BOLTS ARE IN INCH SERIES

SPECIFICATIONS
ASTM A307, A394, SAE J429, A354.
PRODUCT RANGE
Dia 1/4″to 3/8″ upto 75mm Length & Dia 1/2″to1-3/4″ upto 500mm in Length.
THREAD SPECIFICATION
ANSI/ASME B1.1- 2A.
BOLT SPEC HEAD MARKING
ASTM A307 GR-A, GR-B, GR-C SANF + A ,B,C
ASTM A394 TY-0,TY-1 & TY-2 SANF + TYPE
SAE J429 GR -2,5,8 SANF + GRADE SYMBOL
ASTM A449 TY- 1 SANF A449 T-1
ASTM A354 GR – BC& GR- BD SANF + BC / SANF + BD+ 6LINES
GRADES INCLUDES
GR-A,B,C ,TY-0, TY-1, TY-2, GR-2,5,8 , GR-BC & BD.
SUITABLE NUTS
ASTM A563 ,SAE J995.
BOLT SPEC SUITABLE NUTS
ASTM A307 GR-A, GR-B, GR-C ASTM A563 GR- A,B , C
ASTM A394 TY- 0 & TY- 1 ASTM A563 GR-A & GR-DH /A194 GR-2H
SAE J429 SAE J995
ASTM A449 TY- 1 ASTM A563 GR-A,B & DH.
ASTM A354 GR – BC& GR- BD ASTM A563 GR-DH / A194 GR-2H
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