ASTM A193 Alloy Steel Bolts

ASTM A193 Alloy Steel Bolts

WINDO METAL Inc. is your source for ASTM A193/A320 Alloy Steel Bolts from 3/8” to 4” Diameter in a wide variety of lengths, thread lengths and finishes Hot Dip Galvanized, Mechanical Galvanized, Zinc Plated, Yellow Zinc Plated, Cadmium Plated, Yellow Cadmium Plated, Blue Xylan® , Blue Teflon®, Green Xylan®, Green Teflon®, Black Oxide or Plain Surface.

ASTM A193 Alloy Steel Bolts

A193 B7 Bolts A193 B7 Tap Bolts

A193 B7M Bolts A193 B7 Metric Bolts

A193 B16 Bolts A354BD Grade 8 Bolts

A320 L7 Bolts A320 L7M Bolts

And More….

Heavy Hex Nuts up to 4” Diameter
Hex Bolts from 3/8” to 4” Diameter
our new Forging Department to better serve our customers with a broader range of 100% Domestic Manufacturing capabilities, combined with better service and faster delivery. Our Forging Department will offer the same range of materials that we currently provide as All-Thread Studs, Heavy Hex Bolts, Hex Cap Screws and Heavy Hex Nuts:
A194 2H Hex Nuts A193 B7 Hex Bolts
A194 Grade 4 Hex Nuts A193 B16 Hex Bolts
A194 Grade 7 Hex Nuts A320 L7 Hex Bolts
A194 Grade 8 Hex Nuts A193 B8 Hex Bolts
A194 Grade 8M Hex Nuts A193 B8M Hex Bolts
A194 GR. 8 SH Hex Nuts A193 B8 CLASS 2 Bolts
A194 GR. 8M SH Hex Nuts A193 B8M CLASS 2 Bolts
A563 A, A563 DH Hex Nuts A354BD Grade 8 Bolts

Heavy Hex Bolts and Cap Screws can be threaded per the IFI standard; fully threaded as Tap Bolts; or threaded to an exact length per your Customer’s print. And we offer the same finishes as our All-Thread Studs:
Hot Dip Galvanized
Mechanical Galvanized
Zinc Plated
Yellow Zinc Plated
Cadmium Plated
Yellow Cadmium Plated
Blue Xylan® or Blue Teflon®
Green Xylan® or Green Teflon®
Black Oxide
Other Special Finishes Available