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(1) 45 degree & 90 degree hss step drills
(2) Shank: (a) Round shank; (b) Hex shank; (c) Three flat shank; (d) Hex quick change shank;
(3) Surface: (a) white bright; (b) Titanium coated; (c) Black nitrided; (d) Cobalt coated;
(4) Metric size individual step drills: 4 - 12mm x 5 step 4 - 12mm x 9 step 4 - 20mm x 9 step 4 - 22mm x 10 step 4 - 30mm x 14 step 4 - 39mm x 14 step 5 - 35mm x 13 step 6 - 18mm x 7 step 6 - 20mm x 8 step 6 - 24mm x 10 step 6 - 30mm x 13 step 6 - 32mm x 8 step 14 - 24mm x 6 step 14 - 25mm x 7 step 20 - 34mm x 8 step 10 - 20mm x 11 step 20 - 30mm x 11 step
(5) Inch size individual step drills 3/16 - 1/2 x 6 step 1/8 - 1/2 x 13 step 1/4 - 3/4 x 9 step 3/16 - 7/8 x 12 step 7/16 - 1-1/8 x 12 step 1/4 - 1-1/2 x 11 step 1/2 - 1 x 9 step 9/16 - 1 x 8 step 3/4 - 1-3/8 x 11 step 13/16 - 1-3/8 x 10 step
(6) 3pcs inches hss step drills set: 3/16 - 1/2 x 6 step 1/8 - 1/2 x 13 step 1/4 - 3/4 x 9 step Packing: (a) wooden box; (b) aluminum case; (c) blister with card;
(7) 3pcs metric hss step drills set 4 - 12mm x 9 step 4 - 20mm x 9 step 4 - 30mm x 14 step x 3 pcs/set Packing: (a) wooden box; (b) aluminum case; (c) blister with card;
4 - 12mm x 9 step 6 - 20mm x 8 step 6 - 30mm x 13 step x 3 pcs/set Packing: (a) wooden box; (b) aluminum case; (c) blister with card; |
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