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AMOOLO 1/4" Cobalt Drill Bits(10Pcs), M35 High Speed Steel Jobber Length Twist Drill Bit Set for Hardened Metal, Stainless Steel, Cast Iron, Plastic and Wood 1/4 in (10pcs)
AMOOLO 1/4" Cobalt Drill Bits(10Pcs), M35 High Speed Steel Jobber Length Twist Drill Bit Set for Hardened Metal, Stainless Steel, Cast Iron, Plastic and Wood
Key Features Hard & Durable This drill bit contains 5% Cobalt (M35 Cobalt HSS), which increases the strength, the tool life and makes it more heat-resistant. Rockwell Hardness >= 67 Precise Performance 135°Split Point with straight shank prevents walking and makes drilling precise Fast Particles Removing Fully Ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance Portable & Easy To Store Pocket size twist drill bit set is easy to store in a toolbox or in pocket Read more Read Warm Tips Before Use Be Vertical Keep the drill bits vertical to the object when drillingBe sure to make both bit and work piece stable. Tilted bit is prone to break Control Speed and Pressure When using bits with a power drill, it's recommended to use them with low speed and drilling pressureThe thicker the bits is, the slower speed and pressure should be taken Stay Cool Friction will accumulate heat between bits and work piece. Be aware of the heat, add water or coolant if necessary. Right Drilling Device To avoid breaking, 1/16” and smaller bits are suggested to be used with a pin viseThick metals are recommended to be drilled with drill press, which is more stable, and adjustableTo have the best performance, you shouldn't drill deeper than 1/2 of the drill bits' fluting length Read more Amoolo Titanium Hex-Shank Twist Drill Bit Set 16 Pcs Amoolo Titanium Twist Drill Bit Set 60 Pcs Amoolo Titanium Step Drill Bit Set (10 Sizes) Amoolo Countersink Drill Bit Set 10 Pcs Amoolo Twist Drill Bit with Nitriding Coating Amoolo Safety Glasses Clear Lens with Clear Frame (24 Pack) Product Material Titanium-Coated HSS Titanium-Coated HSS Titanium-Coated HSS Carbon Steel High Speed Steel Poly-Carbonate Package 16 Pcs 60 Pcs 1 Pc 10 Pcs 16 Pcs 24 Pcs Size 1/16",5/64",3/32",7/64",1/8",9/64",5/32",11/64",3/16",13/64",7/32",15/64",1/4" 3/64", 1/16", 5/64", 3/32", 7/64", 1/8" x 10 Pcs each 1/4",3/8",1/2",5/8",3/4",7/8",1",1-1/8",1-1/4",1-3/8" 7/64”, 5/32”,13/64”, 1/4”, 9/32”, 5/16”,13/32” (1/16",5/64",3/32")2, 7/64",1/8",9/64",5/32",11/64",3/16",13/64",7/32",15/64",1/4" 1/16", 5/64" One Size Fits Most (5-3/4" x 6-1/8") Material Application Soft metal, Wood, ,Aluminum Alloy Plastic, Steels <5 mm Soft metal, Wood, ,Aluminum Alloy Plastic, Steels <5 mm Sheets of Metal, Wood, Plastic, Aluminum, Copper Wooden planks, Fiberboard, Particle board, Plywood, Plastic, PVC and soft metals Soft metal, Wood, ,Aluminum Alloy Plastic, Steels <5 mm Lab,Industrial, Carpentry, Dental, Sports such as Nerf Wars, Art and Crafts, Shooting
Product Features
- 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 through Hard Metal such as Stainless Steel, Steel, Sheet Metal and Cast Iron as well as Plastic, Aluminum Alloy, Wood and Other Softer Metals. Pay attention to speed, pressure and heat control during drilling.
- 90 Days WarrantyIf you are not fully satisfied for any reason, please contact us for 100% refund or replacement.
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