MS+RS HPsRZ

Roll Taps for Miniature Threads High Performance Roll Taps for Miniature Threads

Specification Specification

Coating

Recommended Tapping Speeds depending on Materials Recommended Tapping Speeds depending on Materials

Wrought aluminum Aluminum alloy castings inc alloy castings ow carbon steels Medium carbon steels High carbon steels Alloy steels Stainless steels

〜10〜10〜10〜10〜10〜10〜10〜5
(m/min)(m/min)(m/min)

For icon explanation, refer to P.50 For icon explanation, refer to P.50

Product features

●Using new blanks, Roll Taps improve their rigidity, bending strength and run-out tolerance. ●Marking position is moved to square portion to keep high shank concentricity. ●Adoption of new thread limits(GS classes) improves the thread accuracy of internal threads machined.

Tapping data Recommended bored hole size

Tapping condition [ S0.8×0.2 ] number of tapped holes :

unit mm 2,000

MS+RS HPsRZ still running large wear Bored hole size for class 4H5

Tool Size Class

previous competitor Max Min

1,500

CoatingTiCNS0.6X0.15GS20.550.54
Tapping speed4m/min8m/minS0.7X0.175GS30.640.62

1,000

S0.8X0.2 GS3 0.73 0.71

Work material SUS304(88HRB)

large wear S0.9X0.225 GS4 0.82 0.80

Bored hole 500 φ0.73 size

Tapping length1.2㎜(1.5D)250
MachineCNC tapping centerlarge wear
Tapping fluidInsoluble oil0

MS+RS previous HPsRZ competitor

※ udgement of tool life : Crest wear at the 1st full thread

4H5 internal threads and New thread class "GS"

pitch diameter tolerance for 4H5 internal threads pitch diameter tolerance of GS class

S0.6×0.15GS18GS1(1018
S0.7×0.175GS213GS2(10) 23
S0.8×0.2GS318GS3(10) 28
S0.9×0.225GS423GS4(1033
010203040010203040
pitch diameter tolerance(pitch diameter tolerance(