Description
- About this item
- Countersink Drill Bit Set : The drill bit set includes 8 pcs countersink drill bit in 7 different size (3mm/ 4mm/ 5mm/ 6mm/ 7mm/ 8mm/ 10mm) with hex key and plastic storage box.With numbers on the drill bits for easy recognition can meet your different needs,plastic container convenient for take and store.
- Versatile : The woodworking chamfer counter bit is widely used for plastic,PVC,rubber,partical board,hard wood or wooden floor ect.And it's suitable for drilling machines with chuck,most bench or hand drills.
- Fast Chip Removal : Three-Pointed design can quickly and accurately drill a smooth hole,the wide chip slot and the five-flutes chamfering that can discharge the wood more rapid in the process of using.
- Hex Wrench : The hex key can simply loosening and tightening the screw to remove chamfer or adjust counter sleeve depth and drilling depth for screws of various lengths.
- Premium Material : The woodworking drill is made of HSS 4241,the middle chamfer drill body is NO. 45 steel,and it feature of high hardness,good abrasion resistance,durable,can serve for long time.
Specification Material : HSS4241+ No. 45 steel Drill size: 3mm (2 pcs), 4mm, 5mm, 6mm, 7mm, 8mm, 10mm Chamfer diamater : 15.8mm Packing Includes: 8 pcs countersink drill bit + 1 pcs hex wrench + 1 pcs plastic storage box Dimension: 3mm(Dia) x 60mm(L) 4mm (Dia)x 75mm(L) 5mm(Dia) x 85mm(L) 6mm (Dia)x 93mm(L) 7mm(Dia) x 100mm(L) 8mm (Dia)x 110mm(L) 10mm(Dia) x 120mm(L) Feature Drilling length can be adjusted for various length screws simply loosening and tightening the setscrews. Suitable for wood,plastic,rubber and so on,ideal for production, maintenance or portable drilling jobs. Round shank design is smooth without friction with the machine, and it's suitable for most bench or hand drills. Warm Tips： The best use of countersink drill bits set is to use a bench drill, because the hand electric drill is not fixed in the operation process, the drill bit (especially the 3mm and 4mm) is prone to bend and break. Try to keep the drill vertical while drilling, so as not to be uneven.
