3pcs HSS Titanium Drill Bit 4-12mm 4-20mm 4-32mm Drilling Power Tools Metal High Speed Steel Wood Hole Cutter Cone Drill

3pcs HSS Titanium Drill Bit 4-12mm 4-20mm 4-32mm Drilling Power Tools Metal High Speed Steel Wood Hole Cutter Cone Drill Features: --100% Brand New and High Quality --Made from high quality HSS steel --Ideal for using to cut holes in a variety of materials including steel, bra, wood, plastic, etc. --Titanium coated to reduce mit and heat --Heat treated and highly polished. Drills perfectly round holes in steel, bra, plastic, wood etc. --3 sided shanks design in order to prevent slippage when in chuck --Two flute design drives faster, smoother and cleaner cuts each step is clearly labeled with the depth diameter in steps Function: --Deburring, Chamfering, Cutting or expanding holes. --Supporting tools: drill, Hand drill, Charging drill, Bench drill. (Water injection cooling while working, it can effectively extend the service life of the drill bit, especially in the case of continuous drilling) Attention: Because of the outer diameter of each step of the step drill is gradually expanded,then the corresponding cutting resistance and linear velocity will also be gradually increased. Owing to the step drill is completely dependent on the inclined edge that is only with 1mm length,If the feed speed is too fast when drilling,it will be easily to be annealing caused by abrasion of the oblique edge. Please give a downward force when drilling, do not pre down too hard to avoid the edge wearing. Specifications: 4-32mm (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm) 4-20mm (4, 6, 8, 10, 12, 14, 16, 18, 20mm) 4-12mm (4, 5, 6, 7, 8, 9, 10, 11, 12mm) Surface treatment: Titanium plating Package List: 1 set Step Drill Bit(Optional, as the picture, please confirm it when you place an order) The Red Center Punch Features: 1.The center punch is easy to use, aim the heavy head at the locatin, hold the handle and pre it in the direction of punches. After the punches are preed back for a short distance, the spring will the punch, producing a pit. You do not need to use hammer and other tools. 2.If you're stuck in the car, also, you can break the gla in this center punch, saving time and strength for you. 3.The spring structure works with strong impact force that is suit for steel board, wood board and breaking gla. 4.This center punch is made of steel material, which is durable and not easy to be broken, you can use it for a long time without worries. < img src="http://ae01.alicdn.com/kf/Sb80e4c6baf2345d3840952dce9c12bed7.jpg " /> < img src="http://ae01.alicdn.com/kf/Ha82e2ce261734935ad2f919af970e655Y.jpg " /> < img src="http://ae01.alicdn.com/kf/S4ff8a5118ad746b2bcf3395042d51e0ah.jpg " /> < img src="http://ae01.alicdn.com/kf/H57b426ebabb941f89e6fa9d5d933bbbdw.jpg " /> < img src="http://ae01.alicdn.com/kf/H4c5571951b6c4ee89cc50d945543ab1cy.jpg " /> < img src="http://ae01.alicdn.com/kf/Hdcf5d0e6dc64464cb9c374962cb13734I.jpg " /> < img src="http://ae01.alicdn.com/kf/H4450a579428a419d98f61c465c36f3f0b.jpg " /> < img src="http://ae01.alicdn.com/kf/S4565a582bcdf4e8aa2b40690d2b9cb84E.jpg " /> < img src="http://ae01.alicdn.com/kf/H17bdae8291ba43d1a4d538480114d5248.jpg " /> < img src="http://ae01.alicdn.com/kf/S6147c4db35814c82a84aa61ac0413dedD.jpg " /> < img src="http://ae01.alicdn.com/kf/S31ebc0365f144c318be5dfd31a682e65j.jpg " /> < img src="http://ae01.alicdn.com/kf/Se63d315cabaf4aa08f2c79935f670da8O.jpg " /> < img src="http://ae01.alicdn.com/kf/H7a30d31cadb842ac862a4824e50d2479j.jpg " /> < img src="http://ae01.alicdn.com/kf/H25c8856db967436a9a32898c2f51f158A.jpg " /> < img src="http://ae01.alicdn.com/kf/Hf415ab0cb90d42b5819f969d4586e4d4q.jpg " /> < img src="http://ae01.alicdn.com/kf/H36a807cd2668439088afcf91bcc013afi.jpg " /> < img src="http://ae01.alicdn.com/kf/H1e17b144b77545899a07c8c3adbd158dz.jpg " /> About shipping
Shipping and Packaging All itwill be double checked and well packed before sending.Itwill be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). 

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