HSS Titanium Coated Step Drills / Cone Cutter / Drill Bits 3pc 4mm – 30mm
US PRO 3pcs HSS Step Drill Bits Titanium Coated 4-30mm 4-20mm 4-12mm 2645
Professional tools for commercial or occasional use.
Step drills offer a significant advantage over cone drills because they offer a positive stop when a hole reaches a certain size.
HSS Titanium coated drills for maximum strength
With a cone drill it is easy for it to dig in and make a hole that is too large.
A set of 3 step drills / stepped cone cutters.
Cuts a perfectly round hole in sheet metal.
-Works perfectly on drilling holes into thin materials such as steel, copper, aluminium, plastic
-For complete performance each time please ensure that the drills are well lubricated, especially when drilling aluminium.
-Self-starting penetrate, no working and no pilot drill needed.
1. SMALL STEP DRILL – 4 – 12mm in 1mm increments
2. MEDIUM STEP DRILL – 4mm – 20mm in 2mm increments
3. LARGE STEP DRILL – 4mm – 30mm in 2mm increments
Double flutes make a perfectly round hole and automatically deburr as you drill.
Complete in metal tin / case for easy storage and transportation
• Angle: 118 Degree Split Point
• Fully Polished
• HSS 4241
• Coated in titanium for tremendous strength
9 Step Drill (4 – 12MM):
9 Step Drill (4-20MM):
14 Step Drill (4-30MM):