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 1/16-28TH2RC01K2.5P7.723591410.13086941¥ 3,130
Rc 1/8-28TH2RC02K2.5P9.728591510.13086942¥ 3,130
Rc 1/4-19TH2RC04-2.5P13.157671915341191242¥ 4,480
Rc 3/8-19TH2RC06-2.5P16.662752115.43814111442¥ 7,360
Rc 1/2-14TH2RC08Q2.5P20.955872620.54418141742¥ 12,100
Rc 3/4-14TH2RC12Q2.5P26.441962821.84923172042¥ 20,000
Rc 1 -11TH2RC16U2.5P33.24910933265626212452¥ 36,800
Rc 1 1/4-11TH2RC20U2.5P41.9101193628.36132263052¥ 55,600
Rc 1 1/2-11TH2RC24U2.5P47.8031253728.36438293262¥ 77,800
Rc 2 -11TH2RC32U2.5P59.6141404132.77146353862¥ 126,000