Spade Blade Holders Straight Shank Straight Flute Holders • Inch • Long D1 D1 max seat insert Torx long mm in mm in L L1 L4 max LS D size CS screw wrench 7SZSL 11,10 .437 12,90 .508 7.76 5.38 3.10 2.38 .750 Z 1/8 - 27 NPT 56-1015 56-2026 7S0SL 12,93 .509 17,65 .695 9.13 6.75 4.60 2.38 .750 0 1/8 - 27 NPT 56-1014 56-2017 7S0.5SL 15,47 .609 17,65 .695 9.13 6.75 7.36 2.38 .750 — 1/8 - 27 NPT 56-1014 56-2017 7S1SL 17,53 .690 24,38 .960 11.10 8.72 6.34 2.38 1.000 1 1/4 - 18 NPT 56-1020 56-2028 7S2SL 24,41 .961 35,05 1.380 12.75 10.31 7.86 2.44 1.250 2 1/4 - 18 NPT 56-1018 56-2015 7S3SL 35,08 1.381 47,73 1.879 18.63 16.00 13.28 2.63 1.500 3 1/4 - 18 NPT 56-1585 56-2020 7S4SL 47,75 1.880 65,28 2.570 21.50 18.87 15.89 2.63 1.500 4 1/4 - 18 NPT 56-1585 56-2020 7S7SL 88,93 3.501 114,30 4.500 29.50 22.88 19.25 6.63 3.000 7 1/4 - 18 NPT 56-1025 56-2125 Straight Flute Holders • Inch • Extra Long D1 D1 max seat insert Torx extra long mm in mm in L L1 L4 max LS D size CS screw wrench 7S0SE 12,93 .509 17,65 .695 12.17 9.80 7.44 2.38 .750 0 1/8 - 27 NPT 56-1014 56-2017 7S0.5SE 15,47 .609 17,65 .695 12.17 9.80 7.60 2.38 .750 — 1/8 - 27 NPT 56-1014 56-2017 7S1SE 17,53 .690 24,38 .960 15.12 12.75 5.67 2.38 1.000 1 1/4 - 18 NPT 56-1020 56-2028 7S1.5SE 21,82 .859 24,38 .960 15.13 12.75 10.29 2.38 1.000 1.5 1/4 - 18 NPT 56-1020 56-2028 7S2SE 24,41 .961 35,05 1.380 15.82 13.38 11.07 2.44 1.250 2 1/4 - 18 NPT 56-1018 56-2015 7S3SE 35,08 1.381 47,73 1.879 25.51 22.88 20.16 2.63 1.500 3 1/4 - 18 NPT 56-1585 56-2020 7S4SE 47,75 1.880 65,28 2.570 — — 15.89 2.63 1.500 4 1/4 - 18 NPT 56-1585 56-2020 widia.com U41 Modular Drills