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ASTM A490 Type 1 Type2 Type 3 alloy steel structural bolt

ASTM A276 Type 309 is a material grade specification for cold-finished or hot-finished bars in 309 stainless steel, available in form of rounds, square, hexagons and other hot rolled extruded shapes. Boltport uses 309 bar stock to ASTM A276 specifications for manufacturing stainless steel 309 bolts, nuts, screws, studs, threaded rods, other fasteners and bar stock components for general engineering purposes.

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Type “Stud Bolt
Hex Bolt £¨full thread£¬partial thread)
Thread Rod
U-Bolt U
Hex Socket Cap Screw
Hex Nut
Flat Washer
Spring Washer ”
Size DIN£ºStud Bolt £ºM6~M100 £¬Hex Bolt £ºM6~M64
ASME£ºStud Bolt£º1/4″~5″£¬ Hex Bolt £º1/2″~2 1/2″
Finish Cold galvanizing ,Hot-dip Galvanizing ,PTFE ,Zinc Nickel ,Black coating ,Plain
Producing Standard ASME £ºASME B18.2.1
ASME B18.2.2
ASME B18.22.1 Plain Washer
DIN£ºDIN931 Hex Bolt with partial thread
DIN 933 Hex Bolt with full thread
DIN 912 Hex Socket Cap Screw
DIN 934 Hex Nut
DIN 125 Plain Washer
DIN127 Spring Washer
DIN 975 Threaded Rods
DIN 976 Stud Bolts
DN 3570 U-Bolt
Material Grade “Stainless Steel :304/304L,316/316L,316Ti, 317/317L, 321, 347/347H, 310, 309, A453 660C ,660D,S31254 /254SMO, 904L /1.4539 /N08904£¬N08367 ,N08926 / 1.4529 “

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