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

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