T660 • Machine Screw and Fractional • Form D Plug ChamferBeyond™ Left-Hand Spiral-Flute’ Right-Hand Cut HSS-E-PM Taps • Through Holes
KSS20 nitride for titanium and titanium alloys.; KSSM24 TiN + CrC/C for titanium and titanium alloys.

SAP Material Number5565551
ISO Catalog NumberT660NF02500-28RH4-A
GradeKSS20
[D1-TDZ] Thread Diameter Size1/4 — 28
[L] Overall Length 63.4 mm
[L3] Thread Length 11.1 mm
[L2] Useable Length 25.5 mm
[D] Adapter / Shank / Bore Diameter6.477 mm
[Z] Number of Flutes3
Tap Pitch Diameter LimitH4
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