Your announcement bar will show in here. Welcome to Max-Craft, Enjoy various selection of drill bits and cutting tools. Just contact our support team. Checkout safely with peace of mind. HSS Cobalt Aircraft Extension Extral Long Drill Bit Set Deep Hole Drilling. HSS Cobalt High Speed Stee is the best material for improving performance. Drilling life when drilling and cutting harder matels, such as stainless steel and other. The Gold Oxided surface treatment strongthen the hardness of surface. The cobalt steel, to ensure the long drilling life and better drilling performance. This drill bit is extra long for long deep hole drilling in steel, metal, iron. No center punch is needed– the aggrevsive 135 Deg. Points are self-centering and penetrate quickly with less pressure. Will not “walk” or “wander”. Precision ground points, flutes, body, clearance and drill diameter for. Ultimate in accuracy and peroformance. Ground flutes provides fast chips removal to maximize. Accuracy and efficiently along the full working surface of the bit. Round shank allow use with a wide variety of tool holding systems. Drill Bits Size: 1/8″- 1/2″ (Diameter) x 6 (Overall Length)? Quantity/Package: 50Pcs/30Pcs in a Package. Material: HSS Cobalt High Speed Stee is the best material for improving performance and drilling life when drilling and cutting harder matels, such as stainless steel and other metals. Surface Treatment: The Gold Oxided surface treatment strongthen the hardness of surface by oxiding treatment on the cobalt steel, to ensure the long drilling life and better drilling performance. Unique Function: This drill bit is extra long for long deep hole drilling in steel, metal, iron.. Split Point:No center punch is needed– the aggrevsive 135 Deg. Split Point quick-cut points are self-centering and penetrate quickly with less pressure. Will not “walk” or “wander”? Manufacturing Process:Precision ground points, flutes, body, clearance and drill diameter for ultimate in accuracy and peroformance. Ground flutes provides fast chips removal to maximize accuracy and efficiently along the full working surface of the bit. Chucking Shank:Round shank allow use with a wide variety of tool holding systems. Number of Items in Set. Electric Drill/Cordless Drill, Drill Machine/Machine Bench, Table Drill, Drill Press/Bench Drill, Machine Tool, Aircraft extension drill bit, Drill, Lathe. HSS Twist Drill Bit, HSS Jobber Length Drill Bit, HSS Cutting/Drilling Tools, Machining/Tooling/Drilling, Aircraft extension drill bit, Long Drill Bit, Drill Bit. Drilling, Drill Steel/Metal/Copper/Iron/Plastic, Drilling/Cutting/Penetrating/Piercing, Extral Long Deep Hole Drilling, Cutting. Max-Craft has been specializing in production and supply of various of drill bits and cutting Tools for over 15 years. Our goal is to offer our customers with wide choice of various quality tools and drill bits to meet their different demand of drilling and cutting metal, steel, stone, concrete, wood, plastic.. At home or in business usage. Quality is always top to us, and we have harsh regulations for quality Control. We cooperate and serve our customers sincerely and faithfully. We advicse you to use a reputable carrier service when returning your goods. WHAT OUR CUSTOMERS ARE SAYING. Fast, Easy, Good Deal. Hand Tools and Sets. Safety, Protection & Security. 1/4″X6″ SDS Plus Rotary Hammer Drill Bit Set Carbide Tip Masonry Concrete-3Pcs. Masonry Concrete Drill Bit Set 50Pcs 5/32″x5-1/2″ Carbide Tip Tapcon Flat Shank. 5Pcs 1″x10″ SDS Plus Rotary Hammer Drill Bit Carbide Tip for Masonry Concrete. 10Pcs 3/16 Wood Brad Point Drill Bit Woodworking Drill Hardwood Softwood. 7/16- Masonry Drill Bits Carbide tipped Black/White Stone Bricks Concrete-10Pcs. Bi-Metal Hole Saw 1-1/8 M42 With Arbor and Pilot Center Drill Bit Hole Cutter. Masonry Drill Bit Set 5Pcs 7/16 Carbide tip Black/White Stone Bricks Concrete. HSS Cobalt Drill Bit 5Pcs 13/32 M35 Jobber Length Steel Metal Twist Drill Bits.