Charts & Tables

US Tap and Drill Bit Size Table
Metric Tap and Drill Bit Size
Decimal Equivalent Chart
TPI Chart
Fastener Types
Bolt Markings and Strength (US)
Bolt Markings and Strength (Metric)
Head Styles and Drive Types
Nut Types
Washer Spec Sheet
Washer Types
Socket Head Cap Screw
Button Head Cap Screw
Flat Head Socket Cap Screw
Low Head Socket Cap Screw
Socket Shoulder Bolt (Stripper)
Socket Set Screw
Torque ASTM A307
Torque SAE Grade 2
Torque ASTM A449 / SAE GRADE 5
Torque ASTM A354-BD / SAE GRADE 8
Torque ASTM A325
Torque ASTM A193 B7
Torque ASTM A490