JIS Rc

Hand Taps for Taper Pipe Threads

Specification

■ The Rc is a hand tap for a tapered pipe threads conforming to ISO specifications. It is used for mating with external tapered pipe threads R(PT).

Recommended Tapping Speeds depending on Materials

Medium carbon steels High carbon steels Alloy steels

中炭素鋼5高炭素鋼5合金鋼5
(m/min)(m/min)( m/ min)

TYPE:1 TYPE:2

g g

Segment:1G

SizeClassCodeChamferBasic major dia (mm)L (mm)ℓ (mm)ℓg (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTYPEMSRP
For Pipe Threads
Rc 1/16-28ⅡTH2RC01K2.5P7.723591410.13086941¥ 3,130
Rc 1/8-28ⅡTH2RC02K2.5P9.728591510.13086942¥ 3,130
Rc 1/4-19ⅡTH2RC04-2.5P13.157671915341191242¥ 4,480
Rc 3/8-19ⅡTH2RC06-2.5P16.662752115.43814111442¥ 7,360
Rc 1/2-14ⅡTH2RC08Q2.5P20.955872620.54418141742¥ 12,100
Rc 3/4-14ⅡTH2RC12Q2.5P26.441962821.84923172042¥ 20,000
Rc 1 -11ⅡTH2RC16U2.5P33.24910933265626212452¥ 36,800
Rc 1 1/4-11ⅡTH2RC20U2.5P41.9101193628.36132263052¥ 55,600
Rc 1 1/2-11ⅡTH2RC24U2.5P47.8031253728.36438293262¥ 77,800
Rc 2 -11ⅡTH2RC32U2.5P59.6141404132.77146353862¥ 126,000