Cobalt Drill Bit Set 29 PCS - M35 High Speed Steel Bits for Hardened Metal, Steel, Cast Iron, Plastic and Wood

HIDOTOL Cobalt Twist Drill Bit Set 29Pcs: Material: HSS M35 (Cobalt 5%), Process: Fully Ground, Split Point: 135 Degree, Flute Type: Spiral, Shank Type: Round Straight Shank. Size Includes: 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", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2", by 1/64" Increments.

HSS M35 Cobalt (5%): Increases drill bit's heat and wear resistance, particularly successful in cutting through hard metals, such as stainless steel, cast iron, high temperature alloy, and titanium alloy. High Speed Steel M35 (Cobalt 5%) with high strength, hardness, and durability, which is extended tool life.

135° split point with round straight shank, self-centering prevent walking, make drilling precise and faster. 2 Flutes Form twist design helps clear particles faster, decreases friction and heat for a cooler drilling performance. A drill bits holder with size index is included in the set for easy storage and organizing.

Warm Tips: Make sure to put on masks and gloves before drilling. Keep cool or discontinuous use will largely prolong drill life, add coolant if necessary. Keep the drill bits vertical to the object when drilling, be sure to make both bit and work piece stable, tilted bit is prone to break. It's highly recommended that you use a drill press to drill metals. It's stable and adjustable.

Other HIDOTOL Products: HIDOTOL Cobalt Twist Drill Bit Set 115Pcs HIDOTOL Tungsten Carbide Burr Set 10Pcs HIDOTOL Titanium Step Drill Bit Set 3Pcs HIDOTOL Titanium Drill Tap Bit Set 13Pcs HIDOTOL M2 Step Drill Bit Set 1Pc

Product Material: M35 Cobalt 5%, Heat-treated Tungsten Carbide, Titanium-Coated HSS, Titanium-Coated HSS, M2 Black Oxide Coating

Quantity: 115PC, 10PC, 3PC, 13PC, 1PC

Size: 29pcs fractional size 1/16"-1/2" by 1/64" Increments, 26pcs letter sizes A to Z, 60pcs numbered wire gauges #1 to #60.

1: 3/16" to 1/2" 6 Steps. #2: 1/4" to 3/4" 9 Steps. #3: 1/8" to 1/2" 13 Steps.

6-32nc, 8-32nc, 10-24nc, 10-32nc, 12-24nc, 1/4-20nc, M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25, M10 x 1.5, 1 Quick change adapter 3/16", 9/32", 3/8", 7/16", 17/32", 5/8", 11/16", 25/32", 7/8", 29/32". 31/32", 1", 1-1/16", 1-1/8", 1-5/32", 1-7/32", 1-9/32", 1-5/16", 1-3/8"

Application: Harden Metals such as Stainless Steel, Cast Iron, High Temperature Alloy, Titanium Alloy, Hard Plastics, Wood and Other Soft Materials Metal or Glass carving, Model engineering or Wood carving, Jewelry making, Welding, Casting, Deburring and Grinding. Aluminum, Iron, Wood, Plastic, Sheet Metal<5 mm Aluminum, Wood, Plastic, Iron, Copper, Sheet Metal<3 mm Plastic, wood, aluminum, iron and many other types of sheet metal (excluding steel or any other harder metal).

100% Satisfaction Guarantee: If you are not fully satisfied with our product for any reason, please feel free to contact us, we will try our best to serve you.

product information: