Product: 8Pcs/set Four Slot Wood Drill Bits, 1/4" 6.35mm Hex Shank Twist Drill Bit Sets, Carbon Steel Wood Drilling Bits, 4 Slotted Auger Wood Concrete Drill Bit Kits, Woodworking Open Hole Tools 10-25mm
Brand: WElinks
Color: 1#
Made of high quality material, durable and high precision 
4-flute wood bits for a cleaner, faster cut than flat bits and tri-flute wood drills 
Has its own self-tapping thread for better positioning and punching. 
High quenching cutting edge, four-groove chip removal, helping to improve work efficiency 
Efficient chip removal improves cutting performance and extends tool life 
Suitable for electric screwdriver of 1/4 hex shank power tool and wood depth operation. 
A necessary accessory set for woodworking drills and impact drivers 

Specifications: 
Material: High carbon steel 
Length: 165mm 
Size:10mm 12mm 14mm 16mm 18mm 20mm 22mm 25mm 

Package content: 
8Pcs Four Slot Working Drills 

Note: 
1. Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. 
2. The colors may be different as the difference display. Please understand
High Quality: Made of High carbon steel, large hardness, durable and reliable to use prevents bit cracking and provides a longer life
The bit diameter: 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm, 22 mm and 25 mm, fits for most purpose
Four slot design for fater chip ejection, full screw-point tip, allows bit to self-feed for ease of drilling, grooved hex shank prevents slipping in drill chuck or bit extension. A great drill bit for drill thickness board
The four-slot drills are suitable for deep wood operations, which increase the speed/ the chip removal capacity/ the drilling depth by nearly twice compared with common openers, help to improve work efficiency
Suitable for electric screwdriver of 1/4 hex shank power tool and wood depth operation. Ideal For DIY, home and general building, woodworking, engineering using. A necessary accessory set for woodworking drills and impact drivers

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