3.【Application】Compatible with most rotary tools such as hardware, hobbies, homes, etc.; suitable for installing drills, electric grinders, hanging mills, hoses, etc.
4.【Function】Change the clamping capacity of the electric grinder and solve the blind zone of the clamping path. Its head is 4 claws, and the holding accessories are more stable. Choose from a wide range of sizes, suitable for more material sanding, to meet your multiple needs at once.
5.【Tips】Please pay attention to the size of your original machine chuck before buying, otherwise it will not match. And allow some errors due to manual measurements.
COBALT STEEL – Manufactured from M35 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.
135°SPLIT POINT – the 135°quick-cut split point are self-centering and able to penetrate metals quickly with less pressure, prevent bits from “walking and wanding”. Easy cutting without need of center punch.
15PC METRIC SET – The set includes 15pcs of M35 cobalt steel twist drill bits: 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7 mm, 8 mm, 9 mm, 10 mm. Well organized in a plastic indexed storage case for easy transport to your worksite.
FOR METALWORKING – Particularly successful in cutting through hard metals(hardness less than HRC38°) such as stainless steel and cast iron, although they can be used for softer materials like copper and aluminium, too. Not for hardened steel / high carbon steel. Try to adjust the RPM when it fails to penetrate.
DOWNLOADABLE USER GUIDE – We’ve summed up some tips of drilling metals, including a RPM chart for several common metals, based on our reviews and some articles on the internet. In most cases, our customers would get a much better result with these tips. Welcome to download.
7. HSS Step Drill Bit Set – 3 PCs Cone Drill Bit and 1 Center Punch – Step Bits with Titanium Coated – Step Bits for Metal, Steel, Brass, Aluminum, Wood, Plastic etc.
[Good Quality] Our step drill bits made of high speed steel with titanium coating. HSS drill is more durable, sturdy. Anti-corrosion surface, premium material can extend service life, save money.
[Advantage of Design] Cone step drill bit, convenient to drill a hole with 1 drill bit rather than using multiple drill bits. Adopt double-fluted, 118° bifurcated tip design allows cutting faster, smoother and cleaning out easier.
[Wide Application] for cutting metal sheet, steel sheet, aluminum sheet, copper, wood board, plastic board… Note: no thicker than the depth of step drill bits.
[Compatibility & 28 Sizes] Hex shank(1/4″) fits for lithium drill, bench drill, handheld drill and so on. 6-steps Bit: 3/16″~1/2″; 9-steps Bit: 1/4″~3/4″; 13-steps Bit: 1/8″~1/2″, as picture showed.
[Drill Bit Set] Package includes 3 x step drill bit, 1 x center punch and 1 x portable carry pouch. The necessity for professionals(like electrician), handyman or family. Comes with a portable oxford fabric storage bag, convenient to carry and take out.
8. COMOWARE Titanium Twist Drill Bit Set – 13 Pcs Hex Shank High Speed Steel for Wood Plastic Aluminum Alloy, Quick Change, 1/16″-1/4″
HSS Titanium Coating – Classic HSS construction with titanium coating for capability and durability. The cutting edge is hardened and honed for sharpness, chatter-free design with staggered cutting teeth ensure the precise countersinking and hole smooth clean.
Flutes Form – 2 flutes form helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process.
Quick Change – 1/4 inch hex shank fits into all power tools more easily and securely, specially for locking into quick change chuck.
Meet Your Demands – Great drill bits set for metal/wood/plastic countersink. Suitable for Home DIY, and General Building/Engineering Use.
Organized Holder – A drill bits holder with size index is included in the set for easy storage and organizing. The drill bits set fits the majority of brands currently on the market.
9. TOGU DB-02 High Speed Steel Drill Bit,Fit for Brass Pipe Diameters from 9/16″(14mm) to 5/8″(16mm)
What will receive: there are stainless steel cleaning brushes and brass cleaning brushes with different sizes, all of them have 1/4 inch hex shank, enough for your need in common wire brush applications
Scientific design: bore brush offers easy access into narrow holes and confined areas, designed for use on right angle grinders; Industrial wire brushes are suitable for cleaning steel parts, machinery, the unfinished metal parts, paint stains, corrosion without damaging surfaces or fine features
Quality material: bore cleaning brushes are made of stainless steel and brass copper, strong and durable, can clean rust and detail completely; Twisted wire is for increased cleaning action
Specification details: the drill wire brush is 1/4 inch hex shank fits for power drills, impact drivers, die grinders, the overall length is 4-3/4 inch, different width includes 8, 10, 12, 15, 17 and 19 mm, so you can choose the right size to use according to your needs
Multiple application: you can keep wire bore brushes in your car, garage, office and kitchen, and the bore brushes are suitable for cleaning, polishing, painting, or rust removal in automotive, fabrication, machining and smiting applications, and a lot of others