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Hongqishi M35 Titanium-Coated Cobalt-Containing Twist Drill Bit, Ultra-Hard Stainless Steel Drill Bit, 4.0mm (Pack of Ten)

Hongqishi M35 Titanium-Coated Cobalt-Containing Twist Drill Bit, Ultra-Hard Stainless Steel Drill Bit, 4.0mm (Pack of Ten)

CN¥45.07

SKU: 100082352917

Status:In Stock (9)

ID: 100082352897

Weight: 80.00 g

Dims:102x64x8 mm

Specifications

Category: Sesame Twist
Applicable materials: timber, Stainless steel

Variants / Sale Attributes

Style: 4.0mm (Pack of 10)

Package Contents

Twist Drill Bit Set *1

Product Description

Overview

Brand: Red Knight
Material: M35 High Speed Steel
Description: Twist drill with diamond-coated high hardness steel, suitable for drilling in 201 stainless steel. Precision steel forging ensures smooth drilling and core advantages of high hardness and wear resistance. Durable rust prevention and complete specifications.

1. Precision steel forging

2. High hardness and wear resistance

3. Smooth drilling in 201 stainless steel

Design Features

135° large top angle oblique edge design for sharp cutting

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Double flutes for smooth chip removal

Full grinding process and high-temperature quenching for increased hardness and wear resistance

Universal round handle for strong compatibility and easy installation

Additional details

Application: Suitable for drilling in wood, aluminum alloy, thin iron plate, plastic, 201 stainless steel, aluminum alloy, mold steel, titanium alloy, cast steel/iron, copper, iron, and wood.

Specifications

Item	Detail
Drill Head Diameter	1.0 mm - 14 mm
Working Length	12 mm - 107 mm
Shank Diameter	1.0 mm - 13.5 mm
Total Length	34 mm - 160 mm

Usage Tips

Use with water or coolant while drilling to prevent overheating
Suitable for thin wood boards, aluminum alloy, thin iron plates, and plastic for slotting
Reverse the direction of drilling for smoother cutting
Clean steel drill bits with a wire brush during operation for better results
Use files and sandpaper for edge deburring after cutting

Measurements are manually taken, please refer to the actual product for accuracy.

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