BSF Tap & Die Set 1/4" BSF 26 TPI - High Carbon Steel - Ideal For Soft Metals
Helicoil Type Inserts - BSW & BSF Tapped Hole Size Table - Cross Tools Co
Thread data BSW, BSF, BSP 55°; BA Tread Form - Angle of thread = 47. 5 degrees, rounded at top and bottom BA
Whitworth BSW BSF | PDF
what is 1/4 BSF | GrabCAD Questions
1/4-1/2-inch BSF Thread Repair Workshop Kit
TR knowledge base | Thread geometry- British Standard Fine (BSF)
Factory Inventory Stainless Steel 304 A2 DIN6921 with Unf Bsf Thread 1/4"-28 Unf X 1" Concave Hex Head Flange Bolt - China Flange Bolt and Full Thread with Teeth Bolt