ASTM A638 Grade 660 Bolts

ASTM A638 Grade 660 Bolts

ASME SA638 gr 600 bolt is a hot or cold finished precipitation hardened based superalloy grade. The ASTM A638 Grade 660 Bolts are versatile fasteners that are partially threaded across their length. These bolts allow for permanent or temporary connections in the system. ASTM A638 Gr 660 Nut has a threaded hole that is attached using a bolt, screw, or associated fasteners. These nuts have a superior clamping force and prevent axial movement. ASTM A638 660 Washer allows for even pressure distribution in the system. These washers provide protection to different equipment. The A638 Gr 660 Material has a minimum tensile strength of 895mpa with a minimum yield strength of 585mpa. The material can be easily elongated by 15% in the system. The A638 Gr 660 Screws are similar to bolts and are available in an array of sizes and specifications.

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SA 638 GR 660 hex nuts and ASTM A638 GR 660 fasteners suppliers in UAE

ASTM A638 660 hex bolts specification


ASTM A638 Grade 660 Bolts Specifications

A638 660A hex bolt sizes ASTM A638 660A washer sizes ASTM A638 660 hex bolts end
  • Metric A638 660A bolt: M1.2 – M48
  • Length: 12 – 1200mm (1/2″ – 4.0″)
  • Imperial ASTM A638 660 bolt: 1/4″ to 4″
  • M3 – M36
  • 1/4″ to 3″
  • Cone point
  • Gimlet point
  • Chisel point
  • 45 degree angle cut
  • Milled end
  • Sheared end
  • Chamfer end
  • Semi-cone point
  • Half point
Type USA Standard Temperature range
  • A638 Grade 660 type 1
  • A638 Grade 660 type 2
  • ASTM A638 Grade 660
  • 720 +/- 14°Celsius
ASTM A638 660A heavy hex bolts thread class ASTM A638 660 hex bolt head types Manufacturing method
  • Class 3A (Tight fit)
  • 5 CSF
  • 5 ONF
  • 5 HF
  • Class 1A (Loose fit)
  • Class 2A (Medium fit)
  • custom
  • 2G
  • 3G
  • 4G
  • 6G
  • 8G

Contact above ASTM A638 Grade 660 Bolts manufacturers & suppliers to see thread diameter

  • Flat
  • Oval
  • Socket cap head
  • Button head
  • Phillips Drive
  • Pan
  • Truss
  • Hex head
  • Frearson Drive
  • Slotted Drive
  • Combination Drive
  • Hex/Socket/Allen Drive
  • Hex washer head
  • Slotted hex washer
  • Hot Forged
  • CNC machined
  • Cold Forged

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ASTM A638 660D nut bolts required testing & certificates A638 660D fasteners thread types ASTM A638 660B socket head bolts surface treatments
  • Charpy V-notch test
  • Impact testing
  • EN 10204 / 3.1, 3.2
  • Tensile test
  • Rockwell / Brinell Hardness test
  • Microstructure Analysis
  • UNEF
  • UNJ
  • 12-thread series (12-UN)
  • Metric coarse
  • Metric fine
  • Coarse thread (UNC)
  • Fine Thread (UNF)
  • 8-Thread Series (8UN)
  • BSF
  • ACME
  • Trapezoidal
  • Mechanical
  • Clear Zinc Plated
  • Cadmium
  • Zinc Nickel
  • Plain
  • Oil
  • Nickel Plated
  • Yellow Zinc Plated
  • Hot Dip Galvanized
  • Black Oxide
  • Green Finish
  • Black Finish
  • PTFE/ Teflon
A638 660B threaded rod meet standards ASTM A638 660A heavy hex bolts applications Other fasteners stock
  • DAST 021
  • JIS – Japan
  • ANSI – USA
  • ANSI B 18.2.4 2M
  • DIN 931
  • DIN 933
  • ISO 4014
  • ISO 4017
  • ASTM A722
  • ASTM A1082
  • ANSI B 28.2.4 1M
  • GB T5783 /T5782 / 5783
  • ISO
  • SAE -America
  • IS – Indian
  • BS – British
  • ASME B16.5
  • ASME B1.1
  • ASME B1.5
  • DIN – Germany
  • UNI – Italy
  • Polish PN
  • EU – Europe
  • CSN – Spain
  • ASME – USA
  • Aerospace
  • Wind mills
  • Rigs
  • Bridge construction
  • Offshore
  • Automotive industry
  • Solar plants
  • Ship building
  • Flange joints
  • Petrochemical plants

Buy ASTM A638 660 bolts at affordable prices from certified ASTM A638 GR 660 hex bolt suppliers in the Middle East

Types of ASTM A638 Grade 660 bolts

Check ex-stock of ASTM A638 Grade 660 Bolts with listed manufacturers, stockist & suppliers

Most common ASTM A638 660 nut bolt Special ASTM A638 660A bolting material
  • ASTM A638 hex bolts
  • A638 Grade 660 type 2 flange bolts
  • UNS S66286 square bolts
  • Eye bolts
  • ASTM A638 660A hex head bolt
  • Round head bolts
  • A638 660C plow bolt
  • Shoulder bolt
  • A638 660B carriage bolt
  • J bolt
  • Heavy hex bolt
  • ASTM A638 660 lag bolt
  • Socket bolt
  • 12 point bolt
  • A638 660B tap bolt
  • Machine bolt
  • A638 660B t-head bolt
  • Elevator bolt
  • A638 660C step bolt
  • Hanger bolt
  • A638 660A draw bolt
  • Stove bolt
  • Mushroom head square neck bolts
  • ASTM A638 660D foundation bolt
  • T-head bolt

ASTM A638 660 washers types

  • Flat washer
  • Tab washer
  • Punched washer
  • Split washer
  • Machined washer
  • Spring washer
  • Round washer
  • Ogee washer
  • Square washer
  • Countersunk washer
  • Plain washer
  • Dome tooth washer
  • Lock washer
  • Spherical washer
  • Hex washers
  • Fender washer

Types of A638 UNS S66286 nuts

  • A638 660A Hex Nuts
  • A638 UNS S66286 Heavy Hex Nuts
  • fully threaded Hex Nuts
  • Lock Nut
  • Self Locking Nuts
  • Nylon Insert Nut
  • 2 Way Lock Nut
  • A638 UNS S66286 T Nuts
  • Lug Nuts
  • A638 Grade 660 type 2 Dome Nuts
  • ASTM A638 660A Eye Nuts
  • Flange Nuts
  • Coupler Nuts
  • A638 660A Cap Nut
  • Wing Nut
  • A638 660B Flange Lock Nut
  • Castle Nut
  • ASTM A638 660A Jam Nut
  • Slotted Nut
  • Square Nut

ASTM A638 Grade 660 screws types

  • Socket head cap screw
  • Hex cap screws
  • A638 660A machine screws
  • Self tapping screws
  • A638 UNS S66286 grub screws
  • ASTM A638 660C hex lag screws
  • Allen cap screws
  • A638 660B set screws
  • ASTM A638 660C wood screws
  • Concrete screws
  • A638 660B fully threaded screws
  • A638 UNS S66286 self drilling screws
  • Panel screws

Types of A638 UNS S66286 stud bolt & threaded rod

  • Partially threaded rod
  • Right and left hand threaded rod
  • Ultra fine threaded rod
  • ASTM A638 fully threaded rod
  • ASTM A638 660A Double ended threaded rod
  • A638 660D double end threaded rod
  • A638 UNS S66286 dual threaded rod
  • Extra fine threaded rod
  • A638 UNS S66286 tie bolt
  • Continuous threaded stud bolts
  • ASTM A638 660A shear stud bolt
  • A638 660C one end threaded rod

A638 660B threaded rod strength

Yeild strength Tensile strength
Mpa Mpa
min min
585 895

ASTM A638 Grade 660 equivalent

UNS British Standard Werkstoff No. En Name Swedish(SS) JIS(SUS)
S 66286 HR 51, HR 650 1.4944,1.4980 X6NiCrTiMoV26-15 10269, 2399 SUS 660

Chemical composition of ASTM A638 660B bolts Nuts

C Mn P S Si Cr Mo Ni V Ti Al B
0.08 Max 2.00 Max 0.040 Max 0.030 Max 1.0 Max 13.5-16.0 1.00-1.50 24.0-27.0 0.10-0.50 1.90-2.35 0.35 Max 0.001-0.010

ASTM A638 Grade 660 Bolts Properties

ASTM A638 660D nut bolts mechanical properties

Elongation Reduction Hardness
% % BHN HRB HRC
min min min max
15 18 248-341 99 37

ASTM A638 Grade 660 type 2 studs manufacturer in United Arab Emirates, check A638 GR 660 screws and A638 Grade 660 threaded rod sizes, dimension and price list

An A638 grade 600 threaded rod is generally non-magnetic in the annealed condition. The ASME SA638 Grade 660 Threaded Rod may become slightly magnetic if they are welded.

The ASTM A638 Gr 660 fastener is a mechanical device used to connect different equipment efficiently. ASME SA638 Fasteners work well in corrosive environments and temperatures up to 700 degrees C. The mechanical ASME SA638 Gr.660 Uns 66286 Stud bolt fasteners have superior performance and bolster enhanced reliability. These bolts can be permanent or non-permanent. The A638 660 studs can be reused and are precipitation hardened with a coefficient of expansion similar to most austenitic stainless steel. ASME SA 638 Gr 660 socket head cap screw is another type of fastener grade that requires an Allen head to connect.

The ASTM A638 gr 600 hex bolt is a 6-sided grade that is austenitic precipitation hardened steel. The ASME SA638 Grade 660 Hex Bolt can be heat treated via rate of heating, cooling, and soaking shaping its size.

ASTM A638 Grade 660 type 1 washer, A638 GR 660 material and A638 660 hex nut/ stud bolt as per DIN 933, DIN 931

The A638 Gr 660 material DIN equivalent standard is DIN 1.4944 and DIN 1.4943.

Buy A638 GR.660 UNS 66286 heavy hex bolt from saudi aramco approved SA 638 GR 660 socket head cap screw suppliers at a great price in Dubai

The A638 Gr.660 UNS 66286 heavy hex bolt is a high strength grade specification. An SA-638 660 Heavy Hex Bolt has a minimum Brinell hardness of 248.

ASTM A638 Grade 660 Bolts Dimension


ASTM A638 Grade 660 Bolts Dimension