3pcs/Set HSS Titanium Step Cone Drill Hole Cutter Large Set Drilling Tool

Description

Descriptions:
【Widely Used】Perfect Step Drill Bits suitable for drill holes in various material： within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 5mm/0.2 inch (Wood, PVC sheet, Insulation Boards). Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.
【Material】HSS combined with a titanium coating. More capable and durable.
【Easy Drilling】Two-Flute Design for smoother cutting. High Step design let you feel the stop and never drill bigger in mistake
【SET INCLUDES】Bit #1 (5 steps): 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm); Bit #2 (9 steps): 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm); Bit #3 (15 steps): 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm)
【Package Included】 3-Piece HSS Groove Step Drill Bit (4-12/ 4-20/ 4-32mm ). 1/4" Hex shaft drives are suitable for all kinds of for home DIY power drills.
Features:
1. The unique step structure, a variety of standard size drill carve aperture, a box arrived on a ladder drill bit.
2. Without the use of center punch, easy to break, a step drill specifications apply.
3. Deburring, chamfering, expanding the oval hole.
4. Small sway, without leading to use a center punch can carve out a nice aperture.
5. Surface treatment: Titanium.
Package Included:
3× HSS Step Drill Bits