Charts & Tables Essential Fastening Resources Drill Bit Size Tables US Tap and Drill Bit Size Table Metric Tap and Drill Bit Size Charts & Reference Guides Decimal Equivalent Chart TPI Chart Fastener Types Bolt Markings and Strength Bolt Markings and Strength (US) Bolt Markings and Strength (Metric) Head Styles and Drive Types Head Styles and Drive Types Nut and Washer Types Nut Types Washer Types Socket Cap Screws Socket Head Cap Screw Low Head Socket Cap Screw Socket Charts Socket Shoulder Bolt (Stripper) Socket Set Screw Comprehensive Torque Charts 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 Explore More Resources