4.0mm Bright HSS Jobber Drill Bit 10 Pack

$45.00

Product Introduction

4.0mm Bright HSS Jobber Drill Bits, 10 pieces per pack. Made of M2-HSS steel with bright finish, ideal for professional, hobby, model making, and DIY use. Suitable for miniature drills, Pin Vise, or Mini Hand Drill Chuck. Perfect for mild steel, cast iron, and non-ferrous applications.

Specifications

Diameter 4.00mm
Point Angle 118o Split Point
Overall Length 75mm
Effective Length 43mm
Quantity 10 Each
Description

4.0mm Bright HSS Jobber Drill Bit – 10 Each

Precision-engineered for professionals and enthusiasts alike, our 4.0mm Bright HSS Jobber Drill Bits deliver exceptional performance across diverse applications. Whether you’re working on professional projects, hobby crafts, model making, or DIY tasks, these drill bits ensure accuracy and efficiency with every use.

Especificaciones básicas

Material

Acabado

Ángulo de Punta

Longitud Total

Cantidad por paquete

Aplicación

Drill Bit Diameter 4.00mm
M2-HSS (High-Speed Steel)
Bright (As-ground, no surface treatment)
118o Split Point (Crankshaft Point)
75mm
Effective Length 43mm
Standard DIN338
Shank Type Precision Straight Shank
10 Each
Mild Steel, Cast Iron, Non-Ferrous Metals

Key Features & Benefits

  • Self-Centering Split Point: 118o crankshaft point eliminates the need for pilot holes, reducing end thrust and improving drilling accuracy.
  • High-Speed Steel Durability: M2-HSS construction ensures long-lasting sharpness and resistance to wear, ideal for repeated use.
  • Efficient Chip Control: Produces wide, thin chips for smooth evacuation, preventing clogging and overheating.
  • Versatile Compatibility: Works with miniature power drills, pin vises, and mini hand drill chucks for maximum flexibility.
  • Bright Finish: As-ground surface provides excellent chip flow and is perfect for non-ferrous applications.

Escenarios de Aplicación

Engineered for versatility, these drill bits excel in:

  • Professional metalworking and fabrication
  • Hobby and model making (e.g., RC cars, scale models)
  • DIY home improvement projects
  • Precision drilling in mild steel, cast iron, and non-ferrous metals (aluminum, copper)

Ventaja de Rendimiento

Our HSS drill bits outperform standard options with their DIN338 compliance, ensuring consistent quality and dimensional accuracy. The split point design reduces friction, extending tool life and minimizing workpiece damage. Whether you¡¯re a professional tradesperson or a DIY enthusiast, these bits deliver reliable performance every time.

Aseguramiento de Calidad

Each drill bit undergoes rigorous quality control checks to meet industry standards. Crafted from premium M2-HSS, our bits are designed for durability and precision, backed by our commitment to manufacturing excellence.

Why Choose Our Drill Bits?

Unlike generic drill bits, our product offers:

  • Superior self-centering capability for reduced setup time
  • Optimized 118o point angle for mild steel and cast iron
  • Bulk pack (10 pieces) for cost-effective supply
  • Bright finish ideal for non-ferrous applications, avoiding coating-related chip issues

Preguntas Frecuentes

Q: Can these drill bits be used with cordless drills?
A: Yes, they are compatible with most miniature power drills, including cordless models.

Q: Are they suitable for wood or plastic?
A: While primarily designed for metals, they can be used on wood and plastic with reduced speed.

Q: How should I maintain the drill bits?
A: Keep them clean and lubricated during use; store in a dry place to prevent corrosion.

Ready to enhance your drilling precision? Contact us today for bulk pricing or technical inquiries¡ªour team is here to support your project needs.

Shipping and Delivery

Packaging & Transportation

Storewelding Nozzles

Storewelding welding nozzles are precision components that need careful protection. Each piece is individually vacuum-sealed and packed with shock‑absorbing material to prevent collision, dust and moisture. Sturdy outer cartons with fragile signs ensure safe delivery. We cooperate with reliable logistics and provide full tracking, making sure every product arrives in perfect condition.