5 Piece Set Inch Step Drill Bit High Speed Steel Step Drill Triangle Shank Hole Reaming Opening Set Pagoda Drill Bit 5pcs-black Yellow

5 piece set inch step drill bit high speed steel step drill triangle shank reaming opening set black and yellow pagoda drill bitDescription:1. Features: There is no need to constantly replace drill bits of various sizes2. Titanium high-speed steel: classic and durable high-speed steel with titanium coating has reliable performance and durability when drilling holes made of plastic, aluminum, copper, stainless steel and many types of metal sheets.3. Double-edged and three-sided shank-double-edged and x-shaped holes can provide faster and smoother ; 3 sided shank can prevent the drill chuck from slipping and can be cut into wood, sheet metal, steel, etc.4. Widely used: Step drill can be used for chamfering, drilling and reaming. Step drills can be used for stainless steel plates, aluminum alloys, plastics and wood.5. Improve speed:The tip of the split point is 135 degrees and can be cut faster in multiple applications.It also ensures that you reduce the burden on various materials.6. Advantages of HSS step drill:-1. Drill holes of various sizes without changing the drill bit.-2. Prevent the flying metal scarf to improve safety.-3. The edge of the hole is smooth, very suitable for drilling in HVAC operation. Smooth and round holes.-4. Compared with the regular position, the hit rate is the smallest and it is almost impossible to catch.-5. Double design, faster and smoother;-6. X-shaped hole design facilitates removal of waste during drilling;-7. Three side handles can prevent the drill chuck from slipping;-8. Cobalt additives can reduce friction and are longer than cobalt drill bits;Set :[Product name]: 5pcs inch black and yellow pagoda drill[Product Size]: 153*107*42mm[]: black and yellow[Material]: High speed steel[Model]: 1/4-1-3/8, 3/16-7/8, 1/4-3/4, 1/8-1/2, 3/16-1/2The package includes:5*Step drill1*Storage boxNote:Various monitors may cause the of the product in the picture to be slightly different from the real product. The measurement error is +/- 1-3 cm.

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