Fasteners Size Chart
Hex Bolts
Precision-engineered bolts for machinery and structural applications.
Specs:
ASTM A307/A325/A490 | Size: 1/4″–1 1/4″ dia | Length: 1″–12″ (custom to 36″)
Materials:
🇺🇸 A325 / A490 carbon steel (U.S.-Made)
🌍 Stainless 304/316, HDG, Zinc-Plated (Import)
Heavy Hex Bolts
Thicker heads for greater clamping force in structural steel connections.
Sizes:
1/2″–1 1/4″ dia | Length: 1 1/2″–12″
Finish:
Plain / HDG / Zinc.
Carriage Bolts
Smooth round head and square neck; ideal for wood-to-steel joints.
Sizes:
1/4″–3/4″ dia | Length: 1″–10″
Material:
Carbon / Stainless.
Anchor Bolts
Secures structures to concrete foundations.
Types:
L-, J-, Eye-, Wedge-, Sleeve-Type.
Sizes:
1/4″–1″ dia | Length: 6″–36
Stud Bolts
Full thread both ends for flange connections (ASTM A193 B7/A320).
Sizes:
1/4″–2 1/2″ dia | Length: 2″–48″
Eye Bolts
Forged lifting rings for rigging and hoisting.
Sizes:
1/4″–1″ dia | Length: 2″–12
U-Bolts / J-Bolts
Pipe support and conduit clamping hardware.
Pipe Range:
1/2″–8″ nominal.
Nuts
Hex / Heavy Hex / Lock / Cap / Coupling types per ASTM A563 & A194.
Sizes:
1/4″–1 1/4″.
Washers
Flat, Lock, Hardened washers for vibration resistance.
Thickness:
0.05″–0.15″
Threaded Rods
Fully threaded carbon or stainless rods for anchoring and framing.
Length: 36″–144″ Dia: 1/4″–1 1/4
Anchors
Wedge / Sleeve / Drop-In
Expansion anchors for concrete/masonry.
Diameter:
1/4″–3/4″
Length:
2 1/4″–10″
Socket Head Cap Screws
High-tensile alloy screws for precision machinery.
Diameter:
1/4″–1″
Length:
1/2″–6
