Three Stage Right Hand Imperial HSS Tap 3/8-16 BSW Thread Insize GO Thread Ring Gauge 1/4"-20 UNC Series - 4633-1B1 2 mm x 21 mm

2 mm x 21 mm – 30 PCS

Insize 100mm Dial Indicator

these broach cutters are ideal for producing precise holes with minimal effort

Part Number: 2871-10

wire bundling

Three Stage Right Hand Imperial HSS Tap 3/8-16 BSW Thread Insize GO Thread Ring Gauge 1/4"-20 UNC Series - 4633-1B1 2 mm x 21 mmPlease note this is a 3 8 16 BSW thread. 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 have a lead of 3 5 threads