Top 10 Best Square Drill Bit

WELL-EQUIPPED BITS SIZE - The square drive bits set includes 10 hex head Allen wrench bits with square drive, featuring two bits of each size for 0, 1, 2, 3, and 4. INDUSTRIAL GRADE QUALITY - The robertson square screwdriver drill bits are made from S2 steel material in a matt rust-resistant finish with labeled size marks magnetic tips. One portable rubble strips store in a durable plastic case. EXPERIMENT TESTS - The impact allen bits have experienced torsion and hardness test. The results of tests show that the maximum torsion force of bits are 180-200N and the hardness of bits are 57-59HRC. The high torsion and proper hardness avoid the bits break and wear. USAGE VERSATILITY - 14 inch quick release hex shank driver bits fit for electric screwdriver, hand screwdriver, electric drills air drills. Ideal for working on vehicles, bicycles furniture. Assemblingrepairing your furniture in an easy way. LIFETIME WARRANTY All MulWark - tools are warranted to be free of defects in materials and workmanship for as long as you own the product, you may return this product free of charge with original purchase receipt or choose to get a replacement.

Sharp-These square hole drill bits made of bearing steel, hardness 56HRC, lengthened core, sharp cutting edge, continuous blade, quick cuttings, high efficiency. Note If for drill press to use, must have a mortising attachment Not Included.. Easy to useOur woodworking morstising chisel bits set Only use for the opening square hole and keyhole drill -- Square hole drill can not be used on an electric drill, bench drill, drill square holes need to fit a square hole drill drilling mortise and tenon machine to use.. Very cost-effective-- Mortise and tenon square hole drilled by SaferCCTV outer sleeve in the middle of the combination Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industrie. Different SizeDrills precise holes with little pressure -- Using different specifications of the square hole drill, matching the appropriate power of the square hole machine, you can play a square hole to meet the requirements - 12-Inch12.7mm, 14-Inch6mm, 34inch19mm, 38-Inch9.5mm , 58-Inch16mm, 516-Inch8mm, 916-Inch14mm.. After- sale ServiceUnique service can make you rest assured to buy--1Warranty 14 months,a warranty system, to provide repair parts. 2 Professional sellers, and professional guidance, have more tool accessories to choose. 3Provide professional use tutorials. Please feel free to contact us if you have any question..

ROBERTSON SQUARE DRILL BIT SET - 10 Piece Set in the Following Sizes 0, 1, 2, 3, and 4 2 of Each Size. CONVENIENT PLASTIC STORAGE CASE - Our Drill Bits Come in a Durable Locking Plastic Storage Case for Easy Storage. INDUSTRIAL GRADE S2 STEEL WITH MAGNETIC TIPS - Our Drill Bits Are Made From High Quality S2 Steel Material in a Beautiful Black Finish. Also Each Drill Bit is Labeled with it's Square Bit Size.. ROBERTSON SQUARE BIT SET ARE PERFECT FOR SO MANY USES - Square Bits Are Commonly Found on Appliances, Air Conditioners, Printers, Deck Screws, Dirt Bikes, Chainsaws, Auto Parts, Computers and Other Electrics, and So Many Others.. LIFETIME GUARANTEE - Here at Owl Tools USA Based Company we only care about your satisfaction. We try our best to ensure each product is in perfect condition before you get it, but if something is not up to your satisfaction, please contact us for a full refund or replacement..

Size of this Square Hole Mortise Chisel Drill Bit set 14 Inch 6.4mm, 516 Inch 8mm, 38 Inch 9.5mm,12 Inch 12.7mm, 58 Inch 16mm, 916 Inch 14mm. Material Heat treatment, HRC4850 high-speed steel.. Suitable for all mortise and drill accessories. It can be used with mortise and tenon machine to achieve double effect. Reduce the labor intensity of construction workers, accelerate the construction speed, reduce the construction cost of construction, installation, decoration, decoration industry..

Size 14 Inch 6.4mm, 516 Inch 8mm, 38 Inch 9.5mm,12 Inch 12.7mm, 58 Inch 16mm, 916 Inch 14mm. Material Made of high-speed steel,Heat treatment, HRC4850, high hardness,lengthened core,high concentricity.. Application Our woodworking morstising chisel bits suitable for drilling square holes in wood with a tongue-and-groove machine or tongue-and-groove attachment, and has a long service life, please rest assured to use.. Drills precise holes with little pressure,reduce the labor intensity of construction workers, accelerate the construction speed, reduce the construction cost of construction, installation, decoration, decoration industry.. Notice square hole drill needs to cooperate with square hole drill machine mortise and tenon use and can not use with electric drill, bench drill..

This item includes 7 different sizes mortise chisel drill bit 625 inches 6 mm, 14 Inch 6.4mm, 516 Inch 8mm, 38 Inch 9.5mm, 25 inches 10 mm, 12 Inch 12.7mm, 916 Inch 14mm. They can meet your different ordinary need. Each square hole drill bit is packed in a single plastic case, easy to maintain.. These square hole mortise chisels drill bit are made of high-speed steel HSS, with heat treatment, high hardness, lengthened core, high concentricity features.. These 7 pieces woodworking morstising chisel bits is with high performance flute design geometry, which can offer superior chip extraction.. These woodworking drill bits are with long drill core and square chisel, which allow you to lock the hole on the wood easily, can reduce labors, speed up the construction speed, reduce construction costs.. These woodworking morstising chisel bits can be used with most mortise and drill accessories. They are widely used for woodworking aspects in construction, installation, renovation, decoration industry, etc..

SIZE12 12.7mm square chisel width, 75mm cutting depth, 205mm total length.. TIP AND EDGEThe best-designed drilling point tip and 4 cutting corners enable fast drilling with small opening resistance, and penetrating into working pieces of wood in precise opening size very smoothly and fast.. MATERIALMade of High-carbon steel, through heat processing, with high hardness 48-50 HRC drill bits, and sharp-edged square chisel, durable and lasts long.. ADVANTAGEWith long drill core and square chisel, easy to lock the hole on the wood, can reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs.. OPERATIONUsed with mortise and tenon machine with double effect, and electric drill, hammer and other tools is required for punching square hole in wood..

1. You will get 7 different sizes mortise chisel drill bit 14 Inch 6.4mm, 516 Inch 8mm, 38 Inch 9.5mm, 12 Inch 12.7mm, 916 Inch 14mm, 5816mm, 34 Inch 19mm. They can meet your different ordinary need. Each square hole drill bit is packed in a single plastic case, easy to maintain.. 2. The square hole mortise chisels drill bit are made of high-speed steel HSS, heat treatment, high hardness, lengthened core, high concentricity.. 3. These woodworking morstising chisel bits is with high performance flute design geometry for superior chip extraction.. 4. Woodworking drill bit sets with long drill core and square chisel, easy to lock the hole on the wood, can reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs.. 5. These woodworking morstising chisel bits set fit mortise and drill accessories, mainly used for woodworking aspects in construction, installation, renovation, decoration industry, etc..

7 different sizes mortise chisel drill bit 14 Inch 6.4mm, 516 Inch 8mm, 38 Inch 9.5mm, 12 Inch 12.7mm, 916 Inch 14mm, 5816mm, 34 Inch 19mm.. Material square hole drill bits are made of high-speed steel, with high hardness up to HRC48 - 50, durable and practical, being heat treatment for a long-term use. Fine workmanship finished with fine polishment, these square drill bits come with no burrs to provide you a smooth drilling experience.Each drill is packed in a single plastic case, easy to maintain.. These woodworking morstising chisel bits set fit mortise and drill accessories, mainly used for woodworking aspects in construction, installation, renovation, decoration industry, etc.. Notice Mortising chisel drill bit needs to cooperate with square hole drill machine mortise and tenon use and can not use with hand-operated electric drill.