D7.41xL23.8xD10xL105 hard alloy internally cooled straight groove drill bit is designed specifically for high-precision deep hole machining of automotive parts. Made of ultra-fine particle solid hard alloy (HM), it has excellent wear resistance, anti chipping performance, and outstanding thermal stability.

Product features:

Excellent wear resistance: The hard alloy material ensures excellent durability and stability of the drill under high load and high-speed machining conditions

Internal cooling design: The built-in cooling channel can effectively deliver the coolant directly to the cutting area, reduce temperature, minimize tool wear, and improve chip removal efficiency to ensure smooth machining process.

Accurate guiding ability: The straight groove geometry structure enhances the guiding accuracy of the drill bit, ensuring stability during the drilling process

High thermal stability: The drill bit can effectively control temperature changes in high-speed and high load processing environments, avoiding tool damage caused by overheating.

Suitable for automotive manufacturing: Designed specifically for high load deep hole machining in automotive parts manufacturing, it can improve hole consistency and optimize overall machining efficiency.

Application areas:
This drill bit is widely used in automotive manufacturing, especially in machining engine parts, transmission systems, and other precision mechanical parts, providing efficient and stable deep hole machining solutions

Specification Table

Technical Capability

AMG is equipped with WALTER and SAACKE CNC grinding machines and ZOLLER inspection systems. Our rigorous four-stage inspection ensures every tool delivers excellent surface finish, straightness, and chip evacuation—especially in blind hole or soft metal applications.

FAQ – Frequently Asked Questions

Q1: Which automotive parts is this drill suitable for?
A1: Ideal for deep hole drilling in engine blocks, transmissions, valve bodies, and brake system components.

Q2: Can it be used for aluminum alloy parts?
A2: Absolutely. It offers excellent chip evacuation and surface finish performance on aluminum alloys.

Q3: What do customers care most about when choosing this drill?
A3: Tool life, hole accuracy, chip evacuation performance, and stability in mass production processes are top concerns.

Contact AMG for free samples, OEM customization, or technical support — we respond within 24 hours to support your high-efficiency machining needs.