Three-Stage RH Imperial HSS Tap 3/8-20 BSF Fine Thread Maxwell HSS Slitting Saw 6"x 1 mm x 1" bore Its precision-ground surface ensures consistent

Its precision-ground surface ensures consistent and repeatable measurement results in demanding workshop and production environments

Imperial Welding Gauge

Will suit M16 pull stud

this square offers durability and corrosion resistance for everyday workshop use

Tool seat depth JT6 end 26 mm

Three-Stage RH Imperial HSS Tap 3/8-20 BSF Fine Thread Maxwell HSS Slitting Saw 6"x 1 mm x 1" bore Its precision-ground surface ensures consistentPlease note this is a British Standard 3 8x20 Fine thread, or BSF. This form of tap is ideal for tougher materials as the thread is formed in three stages as opposed to NON serial taps which form the thread in one pass. Specifications Material: HSS (High Speed Steel) BOTTOM TAPS have a chamfer (lead) of 12 threads, the angle of the lead being around 18 degrees per side. They are used to produce threads close to the bottom of blind holes. SECOND TAPS