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(Total 12 Products for Drill Bit For Metal Jobber)
Our company specializes in producing all kinds of twist drill bit sets, black drill bits, and high-speed steel drill bit sets. We have our drill bit and cutting disk factory. At the same time, we supply hole saws, taps and molds, grinding wheels, etc. The company has strong product design, manufacturing, packaging and...
Jobber Length Drill Bit 10PCS HSS M2 Bright
The difference between drilling a wood bit and an iron bit: Different bit design structures: (1) drill iron generally for the middle point (force, wear resistance, conducive to feeding); (2) Drill wood is generally three-point blade, high in the middle and low on both sides. Because the wood is soft, it can drill...
HSS Jobber Length Black and Gold
Twist drill how to use 1. can use 40 times stereo microscope to check the wear of the cutting edge of the drill. 2. Check the spindle press foot regularly. Press foot contact surface should be horizontal and vertical with the main shaft can not shake, to prevent drilling and offset hole. 3. The clamping length of...
Twist drill introduction Using "pecking" to process deep holes will shorten tool life, reduce machining efficiency and affect the quality of holes being machined. Each time the bit is pulled out of the hole, removed chips and re-inserted into the hole, it may deviate from the center line of the hole, thus enlarging...
Heavy Duty Jobber Twist Drill Bits
What should be paid attention to when selecting a bit? Actually we already speak very much, have put bit types to distinguish the way to tell everyone, so when you choose drill bit or buy, can according to their own needs to choose different types, including you want to choose the kind of drill, drill bit length and...
Split Point HSS Twist Drill Bits Set
1. Drill holes in concrete materials and stone materials with a hammer drill and a stone drill. The cutter head is generally made of hard alloy. Ordinary household, not cement wall drilling, with ordinary 10mm specifications of the hand electric drill. 2. Drill into wood. Drilling on wood materials, with the use of...
Twist Drill Bits Set (29 Piece)
Drill holes in concrete and stone materials, using a hammer drill, with masonry drill bits, the cutter head material is generally hard alloy. Ordinary household, not cement wall drilling, with ordinary 10mm specifications of the hand electric drill. Jiangsu Goldmoon Industry Co., Ltd. is located in Changzhou, which...
Cobalt Steel Twist Drill Bit Set of 5PCS
COBALT STEEL - Manufactured from M35 grade cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
FOR METALWORKING - Particularly...
29 Pcs Twist Drill Bit for Wood Plastic
Twist drill how to maintain 1.At the beginning and end of the drilling, the feed should be reduced by 1/3. 2. When drilling, a large number of fine powder materials, such as cast iron and copper, can not use coolant, and the use of compressed air to help chip removal. 3. Please remove the iron filings wrapped around...
The product description
The largest twist drill bit set is super hard titanium nitride coating, the longest service life, industrial grade steel, used for drilling light metal.
These Drill bits last up to six times longer than standard bits and the Metal Drill Bit is ideal For drilling through Metal, wood, wallboard...
Hot sale 10pcs Cobalt HSS M35 Jobber Length Metal Drill Bit Set for metal
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