{"title":"HSS Taps","description":"\u003cp\u003eHSS Taps for CNC machine shops. Browse our full hss taps range. India-wide shipping. Bulk pricing available — message us on WhatsApp for quotes.\u003c\/p\u003e\n\n\u003c!-- MIDLAND_FAQ_START --\u003e\n\u003cp\u003eHSS hand and machine taps — metric (coarse and fine), BSW, UNC, UNF, BSP, and NPT thread systems. Straight flute design for chip clearance in through and blind holes.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003cdetails open style=\"margin:8px 0;padding:8px 12px;border-left:3px solid #0e1b4d;background:#f6f8fb;\"\u003e\n  \u003csummary style=\"cursor:pointer;font-weight:600;color:#0e1b4d;\"\u003eWhat is the difference between taper, plug, and bottoming taps?\u003c\/summary\u003e\n  \u003cp style=\"margin:8px 0 0;font-size:14px;line-height:1.5;\"\u003eTaper taps have a long lead (8-10 thread chamfer) and start the thread in a pre-drilled hole. Plug taps (also called second taps) have a shorter lead (3-5 threads) and form most of the thread. Bottoming taps have no chamfer and are used to thread all the way to the bottom of a blind hole. Through-holes need just a taper or plug; blind holes need all three used in sequence.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin:8px 0;padding:8px 12px;border-left:3px solid #0e1b4d;background:#f6f8fb;\"\u003e\n  \u003csummary style=\"cursor:pointer;font-weight:600;color:#0e1b4d;\"\u003eWhat drill size do I use for a metric tap?\u003c\/summary\u003e\n  \u003cp style=\"margin:8px 0 0;font-size:14px;line-height:1.5;\"\u003eFor most ISO metric coarse pitches, the tap drill size is the thread diameter minus the pitch. Example: M6 × 1.0 uses a 5.0 mm drill; M8 × 1.25 uses a 6.8 mm drill; M10 × 1.5 uses an 8.5 mm drill. For 75% thread engagement (standard), follow a tap drill chart.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin:8px 0;padding:8px 12px;border-left:3px solid #0e1b4d;background:#f6f8fb;\"\u003e\n  \u003csummary style=\"cursor:pointer;font-weight:600;color:#0e1b4d;\"\u003eCan HSS taps thread stainless steel?\u003c\/summary\u003e\n  \u003cp style=\"margin:8px 0 0;font-size:14px;line-height:1.5;\"\u003eYes, but use M35 (5% cobalt) or M42 (8% cobalt) HSS rather than standard M2 for stainless. Speed is 50-150 rpm for 6 mm taps. Heavy cutting oil mandatory — dry or soluble coolant is not enough for stainless tapping.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin:8px 0;padding:8px 12px;border-left:3px solid #0e1b4d;background:#f6f8fb;\"\u003e\n  \u003csummary style=\"cursor:pointer;font-weight:600;color:#0e1b4d;\"\u003eWhat is the difference between BSW, UNC, and metric threads?\u003c\/summary\u003e\n  \u003cp style=\"margin:8px 0 0;font-size:14px;line-height:1.5;\"\u003eBSW (British Standard Whitworth) is a legacy British standard with 55° flank angle and inch pitches. UNC (Unified National Coarse) is the American standard with 60° flank angle and inch pitches. Metric uses a 60° flank angle and mm pitches. Each requires a matching tap — they are not interchangeable.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin:8px 0;padding:8px 12px;border-left:3px solid #0e1b4d;background:#f6f8fb;\"\u003e\n  \u003csummary style=\"cursor:pointer;font-weight:600;color:#0e1b4d;\"\u003eHow long does an HSS tap last?\u003c\/summary\u003e\n  \u003cp style=\"margin:8px 0 0;font-size:14px;line-height:1.5;\"\u003eDepends on material and cutting oil. A 6 mm M2 HSS tap in mild steel with cutting oil: typically 300-600 threads. Same tap in stainless without proper oil: 20-50 threads. Using M35 cobalt tap in stainless triples-to-quintuples life over M2.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003c!-- MIDLAND_FAQ_END --\u003e","products":[],"url":"https:\/\/midlandtools.in\/collections\/hss-taps.oembed","provider":"Midland Tools ","version":"1.0","type":"link"}