S T O R N F I E L D
Woyuosn VioletShield Quad-Edge Drill Set Stornfield
Incl. VAT.
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.
After delivery, you have 14 days to request a return . Return shipping is paid by the customer unless the item is damaged or incorrect .
Learn More: Refund Policy
We do our best to process and dispatch your order as quickly as possible. Please note our standard timelines:
- Order Cut-Off Time: 17:00 CET (5:00 PM). Orders placed after this time will begin processing on the next business day.
- Processing Time: 1 to 3 business days (Monday to Friday).
- Transit Time: 5 to 10 business days (Monday to Friday).
- Estimated Total Delivery Time: 6 to 13 business days (Monday to Friday).
Learn More: Shipping Policy
