Standard Bolt Thread Pitch Chart

Asme b1 1 2003 unified inch screw threads un and unr thread form.

Standard bolt thread pitch chart.

Bolt size threads per inch tpi coarse thread unc fine thread unf 0000 160 000 120 00 90 0 80 1. Our niche in exotic high. Why lightning bolt for metric bolt thread pitch charts and metric threaded fasteners. Ansi asme b1 1 1989 r2001 r2001 nomenclature are used.

Thread pitch chart thread series cover designations of diameter pitch combinations that are measured by the number of threads per inch tpi applied to a single diameter. Thread pitch chart. Section at minor dia. Metric external fasteners thread and fastener sizes m20 m50.

Section minor dia. All units are in inches. 817 467 1377 800 number. Series with graded pitches.

Standard thread pitch chart torque chart technical dimensions finished hex bolt dimensions finished hex nut dimensions heavy hex bolt dimensions heavy hex head cap screw dimensions heavy hex nut dimensions metric hex bolt dimensions. Metric thread pitch table metric pitch table metric diameter pitch mm coarse standard fine standard 3mm 0 50 0 35 4mm 0 70 0 50 5mm 0 80 0 50 6mm 1 00 0 75 8mm 1 25 1 00 10mm 1 50 1 25 12mm 1 75 1 25 14mm 2 00 1 50 16mm 2 00 1 50 18mm 2 50 1 50 20mm 2 50 1 50 22mm 2 50 1 50 24mm 3 00 2 00 27mm 3 00 2 00 30mm 3 50 2 00 33mm 3 50 2 00 36mm 4 00 3. Unified screw threads per. Tensile stress area nominal size and threads per in.

Fine thread series unf 8 thread series 8un nominal size and threads per in. Since then our focus on the production of high quality parts at competitive pricing has allowed us to become an industry leader. Why lightning bolt for imperial inch bolt thread pitch chart and inch threaded fasteners. To the end of the bolt 4 40 9 16 1 2 7 16 3 8 5 16 1 4 10 8 6 4 coarse thread fine thread coarse thread fine thread coarse thread fine thread coarse thread fine thread coarse thread fine thread coarse thread fine thread coarse thread coarse thread coarse thread coarse thread fine thread.

Lightning bolt supply has been servicing north america s industrial fastener needs for over 25 years. Lightning bolt supply has been servicing north america s industrial fastener needs for over 25 years. Since then our focus on the production of high quality parts at competitive pricing has allowed us to become an industry leader. Tensile stress area nominal size and threads per in.

Screw thread designations minor diameter major diameter pitch diameter. 12 12tpi is the unf standard however 14tpi is far more common in actual use. Thread pitch chart unc unf unef un thread pitch chart for unc unf unef and un up to 2 inch according to asme b1 1.