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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Nose Diameter: 44
Lightweight and Portable: With a total packaged weight of just 2kg
Part No : 4121-3C2
Designed for precise countersinking
Three Stage Right Hand Imperial HSS Tap 5/16-24 Fine Thread Insize Screw Thread Micrometer 3-4" Range Series 3281-4 Nose Diameter: 44Please note this is a 5 16 24 fine 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
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