Helicoil 4687-20


Straight Flute Tap, Plug, HSS, M20X2.5

4687-20 611286
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ItemStraight Flute Tap
Tap StyleGeneral Purpose
MaterialHSS Steel
Thread TypeMetric Coarse
Thread Length (In.)2.219
Thread Length (mm)56.000
Overall Length (In.)4-59/64
Overall Length (mm)125.000
Pitch Diameter LimitsH4
Shank Dia.19.00mm
Application For Use With Free Running and Screw Locking Inserts
Standards ANSI
Package Quantity 1
Weight 0.550000


Straight Flute Tap, Plug, Tap Style General Purpose, HSS Steel, Uncoated Finish, 4 Flutes, Size M20, Pitch 2.50mm, Metric Coarse, Pitch Diameter Limits H4, Standard Projection -, Shank Dia. 19.00mm, Surface Treated -, For Use With Free Running and Screw Locking Inserts, Tolerance 4H5H, ANSI StandardsPackage Quantity 1

Screw Thread Insert Taps
  • STI taps are oversized from standard taps to allow for the wire insert once installed. High-speed, steel intermediate (plug) lead taps cut threads to a precise dimension.

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