01DRILL & SCREWDRIVER ACCESSORIES
Precision cutting for every material
A single point of contact between your power tool and the workpiece, this drill bit is designed to bite into dense materials with steady, controlled force. It sits quietly in a drawer until the moment you need a clean, round hole.
The Yaowanguan HSS twist drill suits both electric and bench drills, handling everything from stainless steel to softwood. It is built for DIY projects, home renovation and workshop tasks where precision matters.


02MATERIALS
High speed steel core
Crafted from high quality high speed steel, the bit maintains its edge under friction and heat. The material offers high hardness, ensuring the tip stays sharp through repeated use on tough substrates like iron and stainless steel.
IN USE
Versatile across common substrates
From the density of copper and aluminium to the grain of wood and plastic, this bit adapts to varied textures. For optimal performance on harder metals, adding water during drilling can help manage heat and maintain a smooth cut.
FIT
Standard 1/2 inch shank
With a 1/2 inch shank, the bit fits securely into most standard electric and bench drill chucks. This universal sizing means it integrates easily into existing tool kits, ready for immediate use in manual or powered applications.
AT A GLANCE
The key points
- Machined from high speed steel (HSS)
- 1/2 inch shank fits standard drills
- Double posterior horn design improves accuracy
- Cuts stainless steel, iron, copper, aluminium, wood and plastic
- Single piece sold individually
About this product
The 1/2 inch twist drill bit HSS twist drill bits spiral drill bit metal auger hole opener DIY tool is for stainless steel/iron/copper/aluminum/wood/plastic Yaowanguan HSS twist drill bits are made of high quality high speed steel with special sharpening technology, high hardness, sharper opening.
The Yaowanguan HSS twist drills are double posterior horn which improve position accuracy and reduce resistance, make the drills more durable and efficient.
The Yaowanguan HSS twist drill bit is suitable for electric drill, bench drill, widely used in home decoration, manual DIY and other scenes for stainless steel/iron/copper/aluminum/wood/plastic Recommend adding water when using the drill bits..















Reviews
There are no reviews yet.