JIS G

Hand Taps for Parallel Pipe Threads

Specification

■ The G tap is a hand tap for parallel pipe threads and conforms to the ISO thread specifications. It is used for fitting with the pipe parallel external thread G (PF).

Recommended Tapping Speeds depending on Materials

Low carbon steelsMedium carbon steelsHigh carbon steels
5低炭素鋼105中炭素鋼105高炭素鋼10
(m/min)(m/min)( m/ min)

TYPE:1 TYPE:2

Segment:1G

SizeClassCodeChamferBasic major dia (mm)L (mm)ℓ (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTYPEMSRP
For Pipe Threads
G 1/16-28TH2G01K3.5P7.72359143086941¥ 2,560
G 1/8-28TH2G02K3.5P9.72859153086942¥ 2,560
G 1/4-19TH2G04-3.5P13.1576719341191242¥ 3,720
G 3/8-19TH2G06-3.5P16.66275213814111442¥ 6,140
G 1/2-14TH2G08Q3.5P20.95587264418141742¥ 9,940
G 3/4-14TH2G12Q3.5P26.44196284923172042¥ 16,500
G 1 -11TH2G16U3.5P33.249109335626212442¥ 31,000
G 1 1/4-11TH2G20U3.5P41.910119366132263042¥ 48,900
G 1 1/2-11TH2G24U3.5P47.803125376438293262¥ 67,400
G 2 -11TH2G32U3.5P59.614140417146353862¥ 114,000