Screw Chart Tool
Screw Dimensions Reference Tool
UNF | Threads/Inch | |
---|---|---|
Stress Area | ||
Tap Drill | ||
Decimal |
UNC | Threads/Inch | |
---|---|---|
Stress Area | ||
Tap Drill | ||
Decimal |
Oval Point
Full Dog Point
Cup & Flat Point
Truss Head
Binder Head
Round Head
FILLISTER HEAD
Button HEAD
Flat & Oval Head
PAN Head
Socket HEAD
Hex HEAD
Hex Nut
Thin Hex Nut
(Jam Nut)
Hex Nut Top View
Uss Washer
SAE Washer
Split Lock Washer
Additional Notes
Unless otherwise noted, all Screw Data is per ASA B18.6. All Head Dimensions are maximum. Hex Head Bolts from 7/16″ through 1″ are per ASA B18.2. Hex Nuts from No. 0 through No. 10 are per ASA B18.2, American Standard Machine Screw and Stove Bolt Nuts. Hex Nuts from 1/4″ through 1″ are per ASA B18.2, Amercan Standard Finished Hexagon Nuts and Finished Hexagon Jam Nuts. Socket and Button Head Cap Screws, Shoulder Screws and setscrew points are per ASA B18.3.