eed Steel construction with Titanium Coating for proven capability and durability.Titanium Coated: Classic 4241 High Sp
Strength & Hardness: Made with HSS 4241 steel, Rock wall Hardness Level HRC 60-62.
Package & Size: 10 Pieces in a plastic bag, Diameter 7/32 inch, Total length 3-3/4 inch, Working length 2-1/2 inch.
Professional & DIY Use: For use on metal, wood & plastics, Not For Use On Concrete / Masonry / Stainless Steel. Perfect match for workshop or service vehicles.
Package & Size: 10 Pieces drill bits in a plastic bag, Diameter 3/16 inch, Total length 3-1/2 inch, Working length 2-5/16 inch.
Professional & DIY Use: For use on metal, wood & plastics, Stainless Steel, Not For Use On Concrete / Masonry. Perfect match for workshop or service vehicles.
MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits
CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits
APPLICATION: best used for drilling in hard metal, including stainless steel
Industry grade HSS Material drill bit set: industry grade High Quality High Speed Steel, High hardness, good wear resistance and durability.
Super performance: Bostal Drill is one professional OEM Factory for famous brand; High quality drill bits is prime. Perfect Suitable for drilling holes in alloy steel, wood, nonferrous metal, cast iron and hard plastics.
Full ground process and Titanium Surface Coating: Tin coating to enlarge the life of drill bits and longtime antirust.
ANSI 94.11 Standards, Jobbers length, micro drill bits, Inch size 3/64”, 1/16”, 5/64”, 3/32”, 7/64”, 1/8” x10pcs/size. Total 60pcs.
10Pcs 1/4" Cobalt Drill Bits10Pcs - 1/4”(Dia 6.35mm) x 2-3/4”(Flute Length 69.85mm) Metal Drill Bits.This drill bit fits the majority of power drill currently on the market and come with a portable plastic case for easy storage and organization.
M35 Cobalt High Speed SteelIndustry grade 6542 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. These drill bits also contain 5% Cobalt, which increases wear-resistance and durability.
Fully Ground Process & 135° Split PointFully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. 135° split point with straight shank prevents walking and makes drilling precise and faster. No center punch is needed.
Multiple ApplicationPerfectly suitable for cutting Hard Metal such as Stainless Steel, Steel and Cast Iron as well as Wood, Aluminum Alloy and Other Softer Metals. × NOT for Glass or Ceramic Materials. ×NOT for High Carbon Steel and Heat-Treated Steel. √ Pay attention to speed, pressure and heat control during drilling.
Premium cobalt high speed steel construction for proven capability and durability to drill holes in wood, plastic, aluminum, copper, stainless, sheet metals and many other types of materials
Superior gold titanium and black nitride dual coating finish holds up lubricant better for smoother drilling, and is 80% more durable and corrosion resistant than regular black enamel finish
135° Split point design at tip increases cutting speed with self-centering feature and prevents drill walking or wobbling
1/2 Inch reduced shank with tri-flatted end locks onto 3-jaw power tools chuck more securely and eliminates slips
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