ASME Standard Fasteners
Bolts
| Standard | Fastener Type |
|---|---|
| B18.2.1 | Hex Bolt, Hex Cap Screw, Hvy Hex Bolt, Square Bolt, Hex Lag Screw, Tap Bolt |
| B18.2.6 | Hvy Hex Structural Bolt |
| B18.5 | Carriage Bolt, Ribbed Neck Car Bolt, Elevator Bolt, T-Head Bolt |
| B18.9 | No. 3 Head Plow Bolt, No.7 Head Plow Bolt |
| B18.10 | Oval Neck Track Bolt, Elliptic Neck Track Bolt |
| B18.15 | Eye Bolt |
| B18.6.2 | Slotted Flat Head Cap Screws, Slotted Round Head Cap Screws, Slotted Fillister Head Cap Screws |
Nuts
| Standard | Fastener Type |
|---|---|
| B18.2.2 | Hex Nut, Hex Jam Nut, Hvy Hex Nut, Slotted Nut, Square Nut |
| B18.2.6 | Structural Hvy Hex Nut |
| B18.6.X | Wing Nut |
Sockets
| Standard | Fastener Type |
|---|---|
| B18.3 | Socket Head Cap Screw, Low Head Socket Cap Screw, Flat Head Socket Cap Screw, Button Head Socket Cap Screw, Socket Shoulder Bolt, Socket Set Screw, Hex Key |
| B18.6.2 | Square Head Set Screw, Slotted Set Screw |
Screws
| Standard | Fastener Type |
|---|---|
| B18.6.1 | Wood Screws – All Head Styles and Drives |
| B18.6.3 | Machine Screws – All Head Styles and Drives |
| B18.6.4 | Tapping Screws/Sheet Metal Screws – All Head Styles and Drives, Round Head U-Drive Screws |
Washers
| Standard | Fastener Type |
|---|---|
| B18.21.1 | Standard Flat Washer, Type A, Type B |
| B18.22.1 | Helical Spring Lock Washer, High-Collar Lock Washer, Internal Tooth Lock Washer, External Tooth Lock Washer, Countersunk External Tooth Lock Washer, Internal/External Lock Washer |
Pins
| Standard | Fastener Type |
|---|---|
| B18.8.1 | Clevis Pins, Cotter Pins |
| B18.22.1 | Taper Pins, Dowel Pins, Grooved Pins, Spring Pins |
