Demand Manufacturing system of Manufacturing of special taps usually starts from cutting-off process of materials to finished product through tens of manufacturing special taps beginnig from processes. By using our standard blanks, we can complete special taps by only the use of standard blanks. grinding the threaded parts of the tap (flutes, thread and chamfer), which enables us to respond to short time delivery and small lots.

? What is standard blank ?

Standard blank sytem

  • "The standard blank" is a generic term for semifinished products used for manufacturing our SpeedSpeed standard taps.
  • 5 kinds of thread standard (unified, whitworth, We can offer We can offer

comprehensive comprehensive SM-sewing machine screw, STI metric, STI unified) advantages!advantages!

  • We have a wide range of JIS, DIN, and ANSI CostCost

OrderOrder performanceperformance standard blanks available so we can meet the needs of various industry thread standards.

For 5 kinds of thread standard, let’s use Metric thread blanks. Standardization Standardization

Metric

thread can realize can realize

Unified(U) Whitworth(W)Sewing machinecommonizationcommonization
screw(SM)blanks
STI metricSTI unifiedof tap collets.of tap collets.
1Main standard blanks

①Sizes from M1 to M6. ②Sizes from M7 to M18. ③Sizes from M19 to M48.

④For Taper Pipe Threads ⑤For Parallel Pipe Threads ⑥For Long Shank

2 Examples of special tap shapes made from standard blanks Standard blanks can be standard blank modified into various tap

geometries. Example of how 1 blank can be used to make many different taps

Special spiral fluted tap Special spiral pointed tap Special roll tap

Special spiral fluted tap(TIN) Special spiral pointed tap(OX) Special HT tap

QR code for the standard blank dimension table