Features:
This Item ia brand new
This set replaces 50 individual drill bits. Twoflute layout gives you faster, smoother cutting. 3sided (TRIFLAT) shank will not slip in your drill"s chuck. Cobalt coated for smoother cooler cutting
Ti coated to reduce friction and run cooler
Large bit has 3sided shank and small bits have hex shank to prevent slip in drill chuck
Automatically deburrs holes as you drill
Long Life high speed steel
Includes protective padded aluminum case
Package Size:15cm*10.5cm*4.2cm(L*W*H)
Sizes:
#1: 316" to 12" 6 Steps (316"", 14"", 516", 38"", 716"", 12"")
#2: 18" to 12" 13 Steps (18", 532", 316"", 732", 14"", 932", 516", 1132", 38"", 1332", 716"", 1532" , 12"")
#3: 14" to 34"" 9 Steps (14"", 516", 38", 716", 12", 916", 58", 1116", 34")
#4: 14" to 138"" 10 Steps (14"", 38", 12", 58", 34", 78", 1", 118", 114", 138")
#5: 316" to 78" 12 Steps (14"", 516", 38", 716", 12", 916", 58", 1116", 34", 1316", 78")
Package included:
1 x 14138 Step Drill
1 x 31678 Step Drill
1 x 1434 Step Drill
1 x 1812 Step Drill
1 x 31612 Step Drill
1 x Aluminum Box
.Made of ticoated highspeed steel, these hex shank step drill sets have high hardness.
The step drill bit sets adopts groove design, help the electric drill clamp it more firmly, prevent sliding or falling off during rotation.
It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.
Cobalt coated for smoother cooler cutting, automatically deburrs holes as you drill.
Using high?quality materials, strong and durable, has a long service life.