Somta Series 531 – HSS Bottom Tap BSF ¼″ x 26HSS Bottom Tap BSF x 26 Somta Series 531 The SOMTA 5310643 x 26 BSF HSS Bottom Tap is a high precision threading tool designed for blind hole applications requiring full depth thread engagement. Manufactured from durable high speed steel (HSS), this bottoming tap features a short chamfer for clean starts and efficient threading at the base of holes. Complies with BSF (British Standard Fine) specifications, ideal for legacy assemblies, fine thread

combined with optimized X and Y dimensions

and flanks—in a single pass

11210001450

Equip your workshop with the SE3 Carbide Burr—a reliable tool crafted for precision

Whether you're working on automotive electrical systems or general electrical repairs

pipe fittings

Imperial Nuts: Size - QTY

secure engagement with drill press or lathe spindles for maximum stability

and an installation tool for quick and efficient thread repairs

Part No: 4747-200

Magnetic force: 100kgf

giving you everything required for a complete thread repair