1/4"-20 UNC
Black and gold surface finish resists corrosion and lubricates the bits for longer cutting life
【Quality】3/16"(5mm) thickness heavy duty backing plate eliminates need for drive plate
COBALT GOLD OXIDE JOBBER DRILL BITS: 29 PCS high speed steel with 5% cobalt drill bit set resists high heat abrasion while drilling
The T-handle wrench secures taps to provide additional leverage for hand tappingideal for confined spaces or where extra reach or leverage is required
20 Pcs Carbide Hole Saw Kit 1/4"-20 UNCHIGHFIRE 20pcs Carbide Hole Saw with Case, Carbide Tipped Hole Cutter with Pilot Drill bit for Stainless Steel, Iron, Aluminum, Alloy, Plastic TCT Hole Saw Set13 Pcs hole saw kit which cutting diameter 64mm(2 1 2"),90mm(3 9 16"),16mm(5 8"),19mm(3 4"),22mm(7 8"),25mm(1"),29mm(1 1 8"),32mm(1 1 4"),35mm(1 3 8"),38mm(1 1 2"),44mm(1 3 4"),51mm(2"),54mm(2 1 8"), 2 Pcs drill bits ,2 Pcs hex keys and 3 Pcs springs Unique TCT Hole Sawhighfire TCT hole saw