Step Drill Bit Set, 5 Pcs 50 Sizes Cobalt Step Drill Bits for Metal, Wood, Plastic Sheet, Stainless Steel Metric Step Drill Bit, Titanium Stepped Drill Bits

Feature - Centh step drill bits set replaces 50 individual drill bits in 5 pieces step drill bits, which saves you a lot of trouble and space. - Two-fluted design provides faster and smoother cutting. Cobalt steel along with titanium coating ensures this set with outstanding - durability and will stay sharp for years to come, perfect to cut holes on steel, aluminum sheets etc. A well-organized box provides users with easy storage and transport, truly a must-have for DIY lovers and HVAC professionals. Size: #1: 3/16" to 1/2" 6 Steps (3/16'', 1/4'', 5/16", 3/8'', 7/16'', 1/2'') #2: 1/8" to 1/2" 13 Steps (1/8", 5/32", 3/16'', 7/32", 1/4'', 9/32", 5/16", 11/32", 3/8'', 13/32", 7/16'', 15/32", 1/2'') #3: 1/4" to 3/4'' 9 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4") #4: 1/4" to 1-3/8" 10 Steps (1/4'', 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8") #5: 3/16" to 7/8" 12 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8")" Package Included: 5x Step Drill Bit Set 1x Aluminum Case Customer Service: If this product have any quality question, please feel free to contact with us, we will give you a satisfy solution Use asstep drill bit for metal, stepper drill bit, stepping drill bit, stepped bit, unit bit, step down drill bit, 1 step drill bit, stepped drill, step up bits for metal, step bit drill, cobalt step drill, step drill bit cobalt, step bit cobalt, multi size drill bit, titanium step drill, step drill bit for plastic, stepdown bit, step bit for metal, steel step bit, drill step, step bit for steel, hss step drill, stepping bit