3 pcs HSS Titanium Step Drill Bit Set 1 pcs Automatic Cen

24 sizes individual drill bits in 3: This set includes three standard step drill bits that rep 28 individual drill bits, comes with one 4 to 12mm -step bit, one 4 to 20mm nine-step bit, 3 to 12mm ten-step bit.
Strong durability: HSS + titanium durability.
Avoiding the inconvenience of a -flat to a grip.
Easy drilling: Two-fluted design provides faster, smoother .
Provided with small pressure and the sets can cut through wood, sheet metal, steel and other surfaces.

Automatic center punch: Delivers an automatic, high-impact, spring-loaded when pressed against surface, adjustable cap regulates striking force.
Wide usages: hole locations and drill bits and screws, preventing wandering, heat treated alloy steel punch with sharp precision tip, corrosion-resistant brass body with non- knurled grip.
This set reps 24 individual drill bits in 3pc Step Drill Bits which includes one 4-12mm, one 4-20mm, 3-12mm.
Two-fluted design can faster, smoother .
Note:
starting drilling and screwing, the Automatic Center Punch can be used to hole locations.
It delivers an automatic, high-impact, spring-loaded when pressed against wood, metal, and plastic surfaces.
An adjustable cap regulates striking force.
It features a heat-treated alloy steel punch with a sharp precision tip and a corrosion-resistant brass body with non- knurled grip.
The 3 Come in the Following Sizes:
5 step drill bit: 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm)
9 step drill bit: 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)
10 step drill bit: 3-12mm (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm)
Color:gold

Package Contents:
3 x Metric Step Drill Bit
1 x Auto Center Punch

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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