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Materials: 40cr
Size:3/8″(10mm),15/32″(12mm),9/16″(14mm),5/8″(16mm),11/16″(18mm),25/32″(20mm)×460mm
Our 6pcs long auger drill bit set is specially designed for deep hole drilling in wood. Constructed from 40Cr steel, these auger bits feature self-feeding screw tip and deep spiral flutes. The 460mm extended length allows you to drill deeper holes in timber, logs and thick wood panels. The set contains 6 popular sizes and is stored in a sturdy wooden case for neat storage and easy transportation.
✅ 40Cr Steel Material: Excellent toughness and wear resistance for long service life under heavy wood drilling work.
✅ 460mm Extra Long Length: Perfect for deep hole drilling on thick timber, logs and large woodwork.
✅ Self-Feeding Screw Tip: Automatically pulls the bit into wood, less manual pressure required, keeps precise positioning.
✅ Deep Spiral Flutes: Large flute space quickly discharges wood shavings, prevents clogging during deep drilling. ✅ 6 Practical Sizes: Covers 10mm to 20mm to meet different hole diameter requirements.
✅ Wooden Storage Case: Protects drill bits from damage, keeps all bits organized and portable.
Great for carpentry, timber construction, log drilling, furniture production, home renovation and heavy-duty woodworking projects. Compatible with hand electric drills and drill presses.
Material: 40Cr Steel
Quantity: 6 Pieces per set
Sizes: 3/8″(10mm),15/32″(12mm),9/16″(14mm),5/8″(16mm),11/16″(18mm),25/32″(20mm)
Total Length: 460mm
Packing: Wooden storage case