Length of engagement Description of products 4) Engagement length Unit : mm 呼び ピッチ S S N N LL 呼び ピッチ S S NN LL size pitch size pitch up to and up to and up to and up to and M1 S≦0.6 over 0.6<N≦1.7 0.25 including including over 1.7<L M10 1.5 including S≦5 over 5<N≦15 including over 15<L M1 M1 0.250.2 0.6 S≦0.5 0.6 0.5<N≦1.4 1.7 1.4<L 1.7 M10 M10 1.5 1.25 5 S≦4 5 4<N≦12 15 12<L 15 M1.1 M1 0.2 0.25 0.5 S≦0.6 0.5 0.6<N≦1.7 1.4 1.7<L 1.4 M10 M10 1 1.25 4 S≦3 4 3<N≦9 12 9<L 12 M1.1 M1.1 0.250.2 0.6 S≦0.5 0.6 0.5<N≦1.4 1.7 1.4<L 1.7 M10 M10 1 0.75 3 S≦2.4 3 2.4<N≦7.1 9 7.1<L 9 M1.2 M1.1 0.2 0.25 0.5 S≦0.6 0.5 0.6<N≦1.7 1.4 1.7<L 1.4 M11 M10 1.5 0.75 2.4 S≦5 2.4 5<N≦15 7.1 15<L 7.1 M1.2 M1.2 0.250.2 0.6 S≦0.5 0.6 0.5<N≦1.4 1.7 1.4<L 1.7 M11 M11 1.5 1 5 S≦3 5 3<N≦9 15 9<L 15 M1.4 0.3 S≦0.7 0.7<N≦2 2<L M11 0.75 S≦2.4 2.4<N≦7.1 7.1<L M1.2 0.2 0.5 0.5 1.4 1.4 M11 1 3 3 9 9 M1.4 0.2 S≦0.5 0.5<N≦1.4 1.4<L M12 1.75 S≦6 6<N≦18 18<L M1.4 0.3 0.7 0.7 2 2 M11 0.75 2.4 2.4 7.1 7.1 M1.6 0.35 S≦0.8 0.8<N≦2.6 2.6<L M12 1.5 S≦5.6 5.6<N≦16 16<L M1.4 0.2 0.5 0.5 1.4 1.4 M12 1.75 6 6 18 18 M1.6 0.2 S≦0.5 0.5<N≦1.5 1.5<L M12 1.25 S≦4.5 4.5<N≦13 13<L M1.6 0.35 0.8 0.8 2.6 2.6 M12 1.5 5.6 5.6 16 16 M1.8 0.35 S≦0.8 0.8<N≦2.6 2.6<L M12 1 S≦3.8 3.8<N≦11 11<L M1.6 0.2 0.5 0.5 1.5 1.5 M12 1.25 4.5 4.5 13 13 M1.8 0.2 S≦0.5 0.5<N≦1.5 1.5<L M14 2 S≦8 8<N≦24 24<L M1.8 0.35 0.8 0.8 2.6 2.6 M12 1 3.8 3.8 11 11 M2 0.4 S≦1 1<N≦3 3<L M14 1.5 S≦5.6 5.6<N≦16 16<L M1.8 0.2 0.5 0.5 1.5 1.5 M14 2 8 8 24 24 M2 0.25 S≦0.6 0.6<N≦1.9 1.9<L M14 1 S≦3.8 3.8<N≦11 11<L M2 0.4 1 1 3 3 M14 1.5 5.6 5.6 16 16 M2.2 0.45 S≦1.3 1.3<N≦3.8 3.8<L M15 1.5 S≦5.6 5.6<N≦16 16<L M2 0.25 0.6 0.6 1.9 1.9 M14 1 3.8 3.8 11 11 M2.2 0.25 S≦0.6 0.6<N≦1.9 1.9<L M15 1 S≦3.8 3.8<N≦11 11<L M2.2 0.45 1.3 1.3 3.8 3.8 M15 1.5 5.6 5.6 16 16 M2.5 0.45 S≦1.3 1.3<N≦3.8 3.8<L M16 2 S≦8 8<N≦24 24<L M2.2 M2.5 0.250.35 0.6 S≦0.8 0.6 0.8<N≦2.6 1.9 1.9 2.6<L M15 M16 1 1.5 3.8 S≦5.6 3.8 5.6<N≦16 11 11 16<L M2.5 M3 0.450.5 1.3 S≦1.5 1.3 1.5<N≦4.5 3.8 3.8 4.5<L M16 M16 2 1 8 S≦3.8 8 24 3.8<N≦11 24 11<L M2.5 M3 0.350.35 0.8 S≦1 0.8 1<N≦32.6 2.6 3<L M16 M17 1.5 1.5 5.6 S≦5.6 5.6 5.6<N≦16 16 16 16<L M3 M3.5 0.5 0.6 1.5 S≦1.7 1.5 1.7<N≦5 4.5 4.5 5<L M16 M17 1 1 3.8 S≦3.8 3.8 3.8<N≦11 11 11 11<L M3 M3.5 0.350.35 1 S≦1 1 1<N≦33 3 3<L M17 M18 1.5 2.5 5.6 S≦10 5.6 10<N≦30 16 16 30<L M4 M3.5 0.6 0.7 1.7 S≦2 1.7 2<N≦65 6<L 5 M18 M17 1 2 3.8 S≦8 3.8 8<N≦24 11 24<L 11 M4 M3.5 0.350.5 1 S≦1.5 1 1.5<N≦4.5 3 4.5<L 3 M18 M18 2.5 1.5 10 S≦5.610 5.6<N≦16 30 16<L 30 M4.5 M4 0.7 0.75 2 S≦2.2 2 2.2<N≦6.7 6 6.7<L 6 M18 M18 2 1 8 S≦3.8 8 3.8<N≦11 24 11<L 24 M4.5 M4 0.5 0.5 1.5 S≦1.5 1.5 1.5<N≦4.5 4.5 4.5<L 4.5 M20 M18 1.5 2.5 5.6 S≦10 5.6 10<N≦30 16 30<L 16 M5 0.8 S≦2.5 2.5<N≦7.5 7.5<L M20 2 S≦8 8<N≦24 24<L M4.5 0.75 2.2 2.2 6.7 6.7 M18 1 3.8 3.8 11 11 M5 0.5 S≦1.5 1.5<N≦4.5 4.5<L M20 1.5 S≦5.6 5.6<N≦16 16<L M4.5 0.5 1.5 1.5 4.5 4.5 M20 2.5 10 10 30 30 M5.5 0.5 S≦1.5 1.5<N≦4.5 4.5<L M20 1 S≦3.8 3.8<N≦11 11<L M5 0.8 2.5 2.5 7.5 7.5 M20 2 8 8 24 24 M6 1 S≦3 3<N≦9 9<L M22 2.5 S≦10 10<N≦30 30<L M5 0.5 1.5 1.5 4.5 4.5 M20 1.5 5.6 5.6 16 16 M6 0.75 S≦2.4 2.4<N≦7.1 7.1<L M22 2 S≦8 8<N≦24 24<L M5.5 0.5 1.5 1.5 4.5 4.5 M20 1 3.8 3.8 11 11 M7 1 S≦3 3<N≦9 9<L M22 1.5 S≦5.6 5.6<N≦16 16<L M6 1 3 3 9 9 M22 2.5 10 10 30 30 M7 0.75 S≦2.4 2.4<N≦7.1 7.1<L M22 1 S≦3.8 3.8<N≦11 11<L M6 0.75 2.4 2.4 7.1 7.1 M22 2 8 8 24 24 M8 1.25 S≦4 4<N≦12 12<L M24 3 S≦12 12<N≦36 36<L M7 1 3 3 9 9 M22 1.5 5.6 5.6 16 16 M8 1 S≦3 3<N≦9 9<L M24 2 S≦8.5 8.5<N≦25 25<L M7 0.75 2.4 2.4 7.1 7.1 M22 1 3.8 3.8 11 11 M8 0.75 S≦2.4 2.4<N≦7.1 7.1<L M24 1.5 S≦6.3 6.3<N≦19 19<L M8 1.25 4 4 12 12 M24 3 12 12 36 36 M9 1.25 S≦4 4<N≦12 12<L M24 1 S≦4 4<N≦12 12<L M8 1 3 3 9 9 M24 2 8.5 8.5 25 25 M9 1 S≦3 3<N≦9 9<L M8 M9 0.750.75 2.4 S≦2.4 2.4 2.4<N≦7.1 7.1 7.1 7.1<L M24 1.5 6.3 6.3 19 19 M9 1.25 4 4 12 12 M24 1 4 4 12 12 M9 1 3 3 9 9 Information M9 0.75 2.4 2.4 7.1 7.1 Technical Technical-12