Three Stage Right Hand Imperial HSS Tap 5/16x22 BSF Thread Insize 170° Protractor Range Series 4797-250 Part Number: 6282-0402

Part Number: 6282-0402

3x3x8 - 20 PCS

A high-precision stainless-steel vernier caliper designed for accurate internal

making it a trusted tool for everyday measurement tasks and extended-range applications

smooth travel

Three Stage Right Hand Imperial HSS Tap 5/16x22 BSF Thread Insize 170° Protractor Range Series 4797-250 Part Number: 6282-0402Please note this is a 5 16 22 BSF 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