Standard Products
Sigma distributes Bolting to meet industry standards Hex bolts, washers, studs, cap screws, hex nuts, heavy hex nuts, lock nuts, jam nuts, coupling nuts, and slotted nuts in all SAE and ASTM grades. Sigma is your one-stop source for all your bolting needs. We stock a wide array of fasteners in our 35,000+ square foot warehouse and we’ll arrange for convenient delivery.
Fastener Products
| Anchor bolts Bolts Bent Eye Bolts Cap Screws Carriage Bolts Elevator Bolts Eye Bolts Ferry Cap Screws Flange Bolts Heavy Hex Bolts Hex Bolts Hex Lag Screws J-Bolts Penta Bolts Rod End Bolts Step Bolts Structural Bolts Tap Bolts Tension Control Bolts Toggle Bolts U-Bolts Custom Threaded Products Nuts Castle Nuts Clinching Nuts Coupling Nuts |
Finished Nuts Heavy Hex Nuts High Nuts Jam Nuts Lock Nuts Slotted Nuts Spring Nuts Spherical Faced Nuts Square Nuts Wing NutsPins Clevis Pins Cotter Pins Dowel Pins Hairpin Clips Hitch Pins Lynch Pins Taper Pins Rivets All Thread Rod Screws Security Screws and Fasteners Set Screws |
Sockets Button Socket Cap Screws Flat Socket Cap Screws Low Socket Cap Screws Socket Cap Screws Socket Shoulder Bolts Stud Bolts All Thread Studs Collar Studs Combo Studs Double End Studs Pad Studs Tap End Studs Turbine Bolts Washers Belleville Washers Beveled Washers Bonded Sealing Washers Conical Washers Fender Washers Flat Washers Load Indicating Washers Lock Washers |