

BUYISI Two Stage Conutersunk Spiral Step Drill Bit M3-12 90/180 Degree HSS Drill Sub-Step Drill For Metal Drilling Chamfering Tools M12*180 Degree
Key item features
- 【Versatile Design】This spiral step drill bit offers the convenience of reaming and chamfering functions, significantly improving processing efficiency. It features a second stage angle of either 180 degrees or 90 degrees, allowing for diverse drilling needs.
- 【Multipurpose】With the ability to replace multiple standard drill bits, this tool is for ideal for various applications such as drilling holes, installing hexagonal nuts, and more. It provides versatility and convenience in your metalworking projects.
- 【High-Quality Material】Crafted from high-speed steel (HSS), the countersunk head of this drill bit enables it to handle metal and non-metal materials with a hardness of up to 30 degrees for HRC. It is suitable for processing materials like cast iron, tool steel, copper, aluminum, alloy steel, and more.
- 【Flexible Length】Due to batch variations, the total length of the spiral step drill bit may vary. However, this does not affect its performance or functionality.
- 【Specifications】This spiral step drill bit is available in black color and offers different degree options (90 or . It comes in various sizes ranging from for M3 to for M12, making it suitable for different drilling and chamfering requirements. Package includes 1 piece of spiral step drill bit.
Specs
- Cutting edge materialHigh-speed steel (HSS)
- SizeM12*180 Degree
- CompatibilityMetal
- Drill bit & set typeStep Drill Bits
- Piece count1
- BrandBUYISI
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About this item
Product details
Features:
*The drill has 2 functions of reaming and chamfering, which can improve the processing efficiency, and the second stage angle is 180 degrees or 90 degrees.
*For , for drilling 2 holes, the installation of six angle nut, etc., can replace more than drill.
*The countersunk head is made of HSS, which can process metal or non-metal products below 30 degrees for HRC,such as cast , tool steel, copper and aluminum, alloy steel, , die steel and so on.
*Due to batch reasons, the total length may be different, which does not the use.
Specifications:
Product name: Spiral step drill bit
Material: HSS
Color: Black
Optional Degrees: 90, 180
Optional Size: for M3,, M5, M6, M8, M10,
Suitable for: Drilling, Chamfering
Quantity: 1 Pc
Package Contents:
1× Spiral step drill bit
Note:
1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2. Please allow slight manual measurement deviation for the data.
- 【Versatile Design】This spiral step drill bit offers the convenience of reaming and chamfering functions, significantly improving processing efficiency. It features a second stage angle of either 180 degrees or 90 degrees, allowing for diverse drilling needs.
- 【Multipurpose】With the ability to replace multiple standard drill bits, this tool is for ideal for various applications such as drilling holes, installing hexagonal nuts, and more. It provides versatility and convenience in your metalworking projects.
- 【High-Quality Material】Crafted from high-speed steel (HSS), the countersunk head of this drill bit enables it to handle metal and non-metal materials with a hardness of up to 30 degrees for HRC. It is suitable for processing materials like cast iron, tool steel, copper, aluminum, alloy steel, and more.
- 【Flexible Length】Due to batch variations, the total length of the spiral step drill bit may vary. However, this does not affect its performance or functionality.
- 【Specifications】This spiral step drill bit is available in black color and offers different degree options (90 or . It comes in various sizes ranging from for M3 to for M12, making it suitable for different drilling and chamfering requirements. Package includes 1 piece of spiral step drill bit.




