Label:Yes
[Durable HSS Build] Made of high speed steel, providing solid durability and a long service life.
[Wide Material Compatibility] Widely used for perforating materials such as stainless steel, tapping steel, wood, thin iron, aluminum alloy, damp proof board, PVC board, and more.
[Low Friction Coating] Cobalt coating reduces friction and working temperatures, helping extend the service life of the drill bit.
[No Center Punch Needed] No need for a center punch, not prone to breaking, and suitable for deburring, chamfering, and hole opening.
[Strong Toughness & Wear Performance] Delivers reliable wear performance, high toughness, and high strength for flexible use across various materials.
Item Type: Step Drill Bit
Color: Multicolor
Shank Type:Triangle
Material: M35 High Speed steel
Standard(optional): 4-12(5 steps ), 4-12(9 steps), 4-20, 4-32
shank diameter:
6mm:4-12(5 steps ), 4-12(9 steps)
8mm:4-20
10mm:4-32
Package List:
1 x Step Drill Bit
Note:
1. Hand drills and table drills can be used for opening stainless steel, plates can be opened within 1mm by hand drill, and 2-3mm plates can be opened with table drills.
2. The speed of the stainless steel opening can not be fast, a few hundred turns can be
3. It is best to use water injection or cutting fluid for cooling during processing, which can effectively extend the life of the drill.
No-delivery refund
