160 200 250 300 400mm 6-20mm Extra Long High Speed Steel Woodworking HSS Twist Drill Bits For Metal Wood Drilling ALL SIZE

[HIGH QUALITY MATERIAL]

The drill bits in the pack is 160-400mm, which are longer and drill deeper than standard ones. Made of High-speed steel, these twist drill bits are durable, and they have high abrasion resistance&long service life.

[DOUBLE-GROOVE DRILL&ROUND SHANK]

With the double groove chip removal design, these drill bits can speed up the process of drilling and chip removal.And the round shank is suitable for most types of hand drills and impact drills.

[EXQUISITE CRAFT]

Twist drills are formed after quenching, and they meet the industrial tolerance standards for bore diameters. Each bit meets industrial performance and safety standards.

[WIDE APPLICATION]

Suitable for various materials, such as die steel, spring steel, white steel, ordinary steel, aluminum, copper, wood, stainless steel(within 1-4mm), plastic and PVC,etc.

DETAILS ABOUT EXTRA LONG DRILL BIT
Length of each drill bit:160mm,200mm,250mm,300mm,400mm
Material: High-speed steel
Diameter of twist drill bits: 2mm,3mm,4mm,5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm,13mm,14mm,15mm,16mm,18mm,20mm

TIPS
❤Please add some water during the process of drilling, in case of breaking the bits.
❤Please take protective measures during use to avoid accidents.