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3pcs 4-12/20/32mm HSS Step Drill Bit Set TiAlN Coated Spiral Grooved Hole Cutter
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3pcs 4-12/20/32mm HSS Step Drill Bit Set TiAlN Coated Spiral Grooved Hole Cutter
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Description: Three pieces of metric staircase drill 4-12,4-20,4-32; 3pcs 4-12/20/32mm HSS Step Drill Bits Set Spiral Grooved Hole Cutter Specificati…
3pcs 4-12/20/32mm HSS Step Drill Bit Set TiAlN Coated Spiral Grooved Hole Cutter
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Description
Description:
Three pieces of metric staircase drill 4-12,4-20,4-32; 3pcs 4-12/20/32mm HSS Step Drill Bits Set Spiral Grooved Hole Cutter
Specification:
Type: step drill
Material: high-speed steel
Case size:12.5*9.5*3.5cm
Size:
#1: 4-12mm 5 steps(4mm,6mm, 8mm, 10mm, 12mm)
#2: 4-20mm 9 steps(4mm, 6mm, 8mm, 10mm, 12mm,14mm, 16mm,18mm, 20mm)
#3: 4-32mm 15 steps(4mm, 6mm, 8mm, 10mm, 12mm,14mm, 16mm,18mm, 20mm, 22m, 24mm, 26mm, 28mm, 32mm)
Features:
Specifical step design, one drill for many sizes, very convenient.
Cutting material: iron sheet, aluminum, insulation board, PVC plate wood thickness in 4mm.The hole with a drill can play a variety of.
SELF STARTING - No need for a pilot hole.
Automatically deburrs holes as you drill.
Long Life True high speed steel.
Nitriding to make it durable and run cooler.
Includes protective padded aluminum case.
Package Included:
1x 4-12mm drill
1x 4-20mm drill
1x 4-32mm drill
1x case
More Details:
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