⚡ Copper Stainless Drill Speed Cutting - Optimize Your Drilling Efficiency! Review

Material: These metal hole saw arbors made of high speed steel, and carbide steel saw teeth, highly hardness, strong toughness, low abrasion, wear resistance, long using life. Available application: These hole saw kits can be used for stainless steel sheet, iron plate, thin aluminum, copper, pipes, wood, plastic etc(less than 3mm). And it can compatible with pistol drill, bench drill, vertical electric drilling machine etc. Set of 8 different size: 9/15”(15mm), 25/32”(20mm), 1-1/10”(28mm), 1-8/45”(30mm), 1-11/30”(35mm), 1-13/20”(42mm), 1-22/25”(48mm), 2-4/25”(55mm). Multi different size HSS hole saw set for your choose, it will meet most of your needs. Attention: When you use the hole saw drill bit, you should fixed the plate first, and make the angle of drill and plate at 90 degree. Also, the rotating speed should be increased slowly, the bigger of saw, the slower of the speed, and add the fresh water to cool the saw when it working. Warranty: We promise to provide satisfied service for all of client, if there is any quality issue, we can give you a new replacement or full refund.