Feature(may vary by option.)

●【M35 COBALT HIGH SPEED STEEL】 3/8" drill bits for metal made from M35 Cobalt High Speed Steel and contain 5% Cobalt, which increases wear-resistance, durability and extra longer life span, so that the drill bits last through multiple uses.
●【135° SPLIT POINT】 135°Quick-cut pilot split points are self-centering and can penetrate quickly with less pressure. Straight shank allows for firmly holding and accurate centering and makes drilling precise and faster.
●【FULLY GROUND PROCESS】 Fully ground spiral groove design clears particles quickly, decreases friction and heat for faster drilling performance.
●【PROFESSIONAL & WIDELY USE】 Perfectly Suitable for drilling holes as Stainless Steel, Copper, Cast Iron, Galvanized Pipe, Aluminum Alloy, Wood and Other Softer Metals. Not for Glass or Ceramic Materials.
●【EASY USE & STORAGE】 The set includes 5Pcs 3/8" Cobalt 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 DIY, household maintenance and repair.

[1  & 4-Inch |  10Pcs]




[1  & 8-Inch |  10Pcs]




[3  & 16-Inch |  10Pcs]




[3  & 8-Inch |  5Pcs]





Description

3/8" Cobalt Drill Bit3/8" Cobalt Drill Bit

HPHOPE make life better!

Features:

1.3/8 drill bits made from M35 High Speed Steel and contain 5% Cobalt, which increases wear-resistance, durability and extra longer life span

2.135° quick-cut pilot split points are self-centering and can penetrate quickly with less pressure. Straight shank allows for firmly holding and accurate centering and makes drilling precise and faster

3.Fully ground spiral groove design clears particles quickly, decreases friction and heat for faster drilling performance

4.Perfectly Suitable for drilling holes as Stainless Steel, Copper, Cast Iron, Galvanized Pipe, Aluminum Alloy, Wood and Other Softer Metals

5.This drill bit fits the majority of power drill currently on the market and for easy storage, DIY, household maintenance and repair

3/8" Cobalt Drill Bit3/8" Cobalt Drill Bit

Specifications:

Size:3/8"

Includes:5pcs drill bits 3/8 inch

Material: 5% Cobalt M35 HSS

Angle Point: 135°

Shank Type: Straight and Round Shank.

Packing: Plastic case

Instructions for use:

1.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 during drilling

2.Control Speed and Pressure, When using bits with a power drill, its recommended to use them with low speed and drilling pressure

3.Drilling metal will accumulate an amount of heat. Necessary to use cooling liquid during drilling to keep the bit cool

4.Thick metals are recommended to be drilled with drill press, which is more stable, and adjustable

3/8" Cobalt Drill Bit3/8" Cobalt Drill Bit

3/8" Cobalt Drill Bit3/8" Cobalt Drill Bit

3/8" Cobalt Drill Bit3/8" Cobalt Drill Bit

Efficient Drilling

135° SPLIT GROOVES & TWIST DESIGN.Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.

Durable

Twist drill bits 3/8 inch made from M35 HSS Cobalt High Speed Steel, durable, higher heat resistance and wear resistance, high-speed steel with cobalt is harder, suitable for drilling high hardness materials.

Widely Used

Great drill bits set for metal/wood/plastic countersink. Suitable for Home DIY, and General Building/Engineering Use.

3/8" Cobalt Drill Bit3/8" Cobalt Drill Bit
3/8" Cobalt Drill Bit 1/8" Cobalt Drill Bit 1/4" Cobalt Drill Bit 3/16" Cobalt Drill Bit forstner bit 2 inch Concrete Drill Bit Set
HPHOPE 3/8 Inch Cobalt Drill Bits HPHOPE 1/8 Inch Cobalt Drill Bits HPHOPE 1/4 Inch Cobalt Drill Bits HPHOPE 3/16 Inch Cobalt Drill Bits HPHOPE 2 Inch Forstner Bit for Wood HPHOPE Masonry Drill Bits Set (10Pcs)
Product Material Cobalt M35 HSS Cobalt M35 HSS Cobalt M35 HSS Cobalt M35 HSS Carbon Steel Alloy YG6S
Package 5 Pcs 10 Pcs 10 Pcs 10 Pcs 1 Pcs 10 Pcs
Size 3/8" 1/8" 1/4" 3/16" 1-1/2", 1-1/4", 1-1/8", 1-3/8", 1-5/8", 1-7/8", 3/8" 1/2", 1", 2", 35mm 2 * 3/16", 4 * 1/4" , 2 * 5/16", 3/8" , 1/2"
Material Application Soft metal, Wood, ,Aluminum Alloy Plastic, Steels Soft metal, Wood, ,Aluminum Alloy Plastic, Steels Soft metal, Wood, ,Aluminum Alloy Plastic, Steels Soft metal, Wood, ,Aluminum Alloy Plastic, Steels Wood,Wooden blank, Fiberboard, Partic board, Plywood and PVC Glass, concrete, plastic, cement, wood, ceramic, soft metal, brick, garden pot, marble, pickguard, mirrors, windows, stainless steel, glass bottles, etc.