Обший каталог Yamawa 2016 - 2017 - страница 201

Overall Thread Thread+Neck Shank Shank Size of Length of
length length length length dia. square square

L ℓ ℓn ℓs Ds K ℓk


(for blind hole)
Spiral Fluted Taps Spiral Fluted Taps Spiral Pointed Taps
LO-SP
Low Spiral Fluted Taps for Alloy Steels
Specification


(for through hole)
■Low Spiral Fluted Taps suitable for Alloy Steels and High
Carbon Steels. Due to improvement of chip ejection and
E reduction of tapping torque, LO-SP is optimal for blind hole
Oxide
1 1/8U ～
tapping of larger diameter.
Recommended Tapping Speed depending on Materials


(for through hole)
High carbon steels Alloy steels

38 〜
38 〜

For icon explanation, refer to P.50


Hand Taps
TYPE：1


Carbide Taps
Cemented
Segment：1C


Roll Taps
L ℓ ℓn ℓs Ds K ℓk No. of
Size Class Code Chamfer Type
(inch) (inch) (inch) (inch) (inch) (inch) (inch) flutes
For Unified Threads
1-8UNC 2BX SSU16XYEEXHT 2.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 1
1 1/8-8UN 2BX SSU18XYEEXHT 2.5P 7.087 1.732 - 3.622 0.896 0.672 0.875 4 1


Simple Inspection Tools Pipe Taps
1 1/4-8UN 2BX SSU20XYEEXHT 2.5P 7.087 1.929 - 3.622 1.021 0.766 1 4 1
1 3/8-8UN 2BX SSU22XYEEXHT 2.5P 7.874 2.165 - 4.016 1.108 0.831 1.062 4 1
1 1/2-8UN 2BX SSU24XYEEXHT 2.5P 7.874 2.323 - 4.016 1.233 0.925 1.125 4 1


Thread Mills
Dies
Center Drills
Centering Tools


ANSI
SP-10
197