Bolts

What are Bolts ?
bolt is a form of threaded fastener with an external male thread. Bolts are thus closely related to, and often confused with, screws. Bolts are headed fasteners with external threads suitable for non-tapered nut. They require a nut (or some other thread) as a counter - to lock the joint. The bolts are made with uniform threads satisfying the standard specifications and are used in most industrial applications – secured with a spring-washer or a lock. In all, bolts are designed to use as a fastener placed through already drilled holes in the machine parts and these requires a nut to tighten it from the other end.

There are vairous types of Bolts viz :

Heavy Hex Bolts Hex Head Bolts U Bolts J Bolts
Allen Bolts Carriage Bolts Anchor Bolts Hanger Bolts
Shoulder Bolts Blind Bolts Flange Blots Elevator Bolts
Lag Bolts Machine Bolts Plow Bolts Step Bolts
Stove Bolts Draw Bolts Eye Bolts Tap Bolts
Customized Bolts Socket Screw Cap Brass Bolts Centre Bolts
Grub Screws Liner Bolts T Bolts Benzo Bolts
Fin Neck Bolts Stud Bolts HSFG Structure Bolts Hub Bolts
Plastic Bolts Track Shoe Bolts Structural Bolts  

Applications

Construction Railways Scaffolding Bridges Marine
Oil & Gas Light / Heavy Industries Structural Power Plates Civil

Types

  • Cold Forged Fasteners, Hot Forged Fastener, C-Machined Hex Head Bolts, CNC Machined Hex Head Bolts, Custom Machined Hex Head Bolts, Threaded Hex Head Bolts, Non-Threaded Hex Head Bolts, Bar Stock Machined Hex Head Bolts.

Size Range

  • 5/16" - 6" according to ANSI / ASME
  • M8 - M150 according to ISO / DIN
  • Max Length 6000mm

Threads

  • Coarse, Fine, UNC, UNF, UN, BSW, Acme Threads with Half Thread, Full Thread & Double End Thread Configuration.

Services

Electro Zinc Plating Hot Dip Galvanizing Ptfe Fluorocarbon Coating
Aluminizing Ceramic Filled Fluorocarbon Coating Nickel Plating
Mechanical Zinc Coating Electro Zinc Colbalt Plating Electro Zinc Nickel Plating
Phosphate Coating Electro Less Nickel Plating Electro Cadmium Plating
Dacromet 320 500 Coating Pickled Passivated Fasteners Silver Plating
Zinc Plating Mechanical Galvanization ZN Phosphating
MN Phosphating Cadium Plating Zinco-Nickel Plating
Nickel Electroless Plating Burnishing Geomet
Customised Coating Ceramic Filled Fluorocarbon Coating  

Dimensional Standards

  • Materials - ASTM / ASME / BSI / ISO / Nace / AFNOR / DIN / AISI
  • Hexagonal Bolts - ANSI B18.2.1, ANSI B18.2.3.1M, DIN 931, DIN 933, BS 1768, UNI 5731, UNI 5737, UNI 5739, ISO 4014, ISO 4017, BS 1769, BS 3692
  • Socket/Slotted Set Screws - DIN 913, DIN 914, DIN 915, DIN 916, DIN 551, DIN 553, DIN 438, BS 4168
  • Socket/Slotted Countersunk Screws - DIN 963, DIN 7991, BS 4168, BS 1981, BS 483, BS 2470
  • Socket Cap Screws - ANSI B18.3, B18.3.1M, DIN 912, DIN 6912, DIN 7984, ANSI B18.3, ISO 4762, UNI 5931, BS 2470, BS 4168
  • Stud Bolts - ASME B18.2.1, DIN 976, DIN 938, DIN 939, DIN 2510, BS 4439, BS 2693, BS4882
  • Nuts - ANSI B18.2.2, ANSI B18.2.4.6M, DIN 934, DIN 936, BS 1768, BS 1769, BS 1083, BS 3692, ISO 4032, ISO 4033, ISO 4035, UNI 5587, UNI 5588, UNI 5589
  • Washers - ASME B18.22.1, ASTM F436, ISO 7089, DIN 125, DIN 9021, BS 4320, BS 3410, DIN 127, BS 4464, BS 1802, UNI 6952
  • Common Grades - SAE J429 Gr 5, SAE J429 Gr 8, ASTM A307 Gr A, ASTM A307 Gr B, ASTM A325 Type 1, ASTM A490 Type 1, ASTM A193 Gr B7, ASTM A193 Gr B7M, ASTM A193 Gr B16, ASTM A193 G B8, ASTM A320 Gr L7, ASTM A193 G B8M, BS 3692 Gr 4.8, BS 3692 8.8, BS 3692 Gr 10.9, BS 3692 12.9, JIS B1188 Class F8T, JIS B1185 Class F10T, SS304, SS316, SS316L, BS EN ISO 3506 A2-50, BS EN ISO 3506 A2-70, BS EN ISO 3506 A2-80, BS EN ISO 3506 A4-50, BS EN ISO 3506 A4-70, BS EN ISO 3506 A4-80

Some common types of Bolts are as follows :

Hex Bolts
Heavy Hex Bolts
Timber Bolts
Structural Bolts
Headed Anchor Bolts
Hex Bolts
Heavy Hex Bolts
Timber Bolts
Structural Bolts
Headed Anchor Bolts
Square Head Bolts
Hex Lag Screws
Square Lag Screw
Carriage Bolts
Round Head Bolts
Square Head Bolts
Hex Lag Screw
Square Lag Screw
Carriage Bolts
Round Head Bolts
Timber Spikes
Countersunk Bolts
Step Bolts
Washer Head Bolts
Machine Bolts
Timber Spikes
Countersunk Bolts
Step Bolts
Washer Head Bolts
Machine Bolts
Custom Heading
90 Deg Anchor Bolt
Round U Bolts
Closed Eye Bolt
Square Hook
Custom Heading
90° Anchor Bolts
Round U-Bolts
Closed Eye Bolt
Square Hook
J Bolts
Square U Bolt
Open Eye Bolt
Round Hook
Custom Bent
J-Bolts
Square U-Bolts
Open Eye Bolt
Round Hook
Custom Bent