Woyuosn VioletShield Quad-Edge Drill Set

One Bit, Any Surface — Blaze Through Jobs with Tungsten Power

Bore through steel at dawn, then glide through porcelain by noon—the same tungsten-steel bit crushes stone, concrete, metal, wood & glass in record time.

 

 

Quad-Edge Saw-Tooth Point

A solid tungsten-steel core capped by four scalpel-sharp faces self-centers in an instant, biting clean to curb walk and burrs on brutal materials.

 

 

Violet Titanium Shield

The bold hue isn’t paint—Ti-Al-N armour fuses to tungsten steel, shrugging off heat to deliver up to 3× the life of bare HSS.

 

 

Rapid Chip Clearance

Oversized twin-helix flutes carve wide airways, flinging debris clear so the tungsten edge stays cool and razor-keen.

 

 

¼″ Hex Quick-Lock Shank

Clicks into impact drivers, cordless drills or presses for slip-free, full-torque delivery.

 

 

Five Core Diameters

6 / 8 / 10 / 10L / 12 mm cover pilot holes through heavy-duty anchors—see the full size chart below.

 

 

Bit Ø	Overall Length	Cutting Flute
6 mm (¼")	60 mm / 2.36"	35 mm / 1.38"
8 mm (5/16")	100 mm / 3.94"	60 mm / 2.36"
10 mm (⅜")	75 mm / 2.95"	45 mm / 1.77"
10 mm Long	115 mm / 4.52"	80 mm / 3.14"
12 mm (½")	120 mm / 4.72"	80 mm / 3.14"

FAQ

Do I need coolant when drilling glass or ceramic?
Yes—steady water flow preserves tungsten steel edges and prevents cracks.

Can these bits handle hammer action?
They’re engineered for rotary work; light tapping on masonry is acceptable.

Are the tips resharpenable?
The tungsten-steel edge can be touched up with a diamond wheel, though replacing is often faster and cost-effective.