JIS R-Y

Roll Taps for Thin Soft Structural Steel Sheets

Specification

3 ■ For tapping general fasteners made from such thin steel sheets as SPC and SPH, and from such soft steels as under SS400 and S20C.

Recommended Tapping Speeds depending on Materials

Low carbon steels

低炭素鋼5

(m/min)

TYPE:1 TYPE:2

Segment:1J

SizeCodeChamferL (mm)ℓ (mm) For Mℓn (mm) etric Thrℓs (mm) eadsDs (mm)K (mm)ℓk (mm)LobeTYPEMSRP
M2×0.4RY2.0E33P427-3132.5541¥ 1,390
M2.5×0.45RY2.5F33P448-3332.5541¥ 1,220
M2.6×0.45RY2.6F33P448-3332.5541¥ 1,220
M3×0.5RY3.0G33P469-3343.2641¥ 1,100
M4×0.7RY4.0I33P5211-3654741¥ 1,110
M5×0.8RY5.0K33P6012-435.54.5741¥ 1,210
M6×1RY6.0M33P6215-4464.5741¥ 1,320
M8×1.25RY8.0N33P7018--6.25842¥ 1,960

Number of oil grooves : non ※Please use CPR-Y for controlling of bored holes. (For CPR-Y, refer to product page ⑦-75)