High-performance Double Margin Twist Drill Bit from amsuo. Features: Aircraft-grade; double-edged strip enhances stability and eliminates burrs. Ideal for Aerospace, High-stability drilling.
Double-edged margin strip that steadies the drill and eliminates burrs — M35 cobalt for heat resistance. The aircraft-grade double margin design delivers high-stability, burr-free drilling with precision geometry and a 135° apex angle. Factory-direct from a 20-year precision-tools manufacturer with ISO 9001 / 14001 / 45001 triple-system certification.

This double margin twist drill bit is designed for industrial-grade aerospace and high-stability drilling. Precision grade, high geometric accuracy and a 135° apex angle deliver burr-free holes in demanding work.
| Item | Value |
| Category | Standard Twist Drills |
| Product Name | Double Margin Twist Drill Bit |
| Material | M35 Cobalt |
| Application | Aerospace, High-stability drilling |
| Features | Aircraft-grade; double-edged strip enhances stability and eliminates burrs |
Produced in an ISO 9001 / 14001 / 45001 triple-certified facility — every drill is inspected before packing.
The second margin strip guides the drill along the hole wall, reducing vibration and leaving a cleaner, burr-free finish.
Cobalt-alloyed M35 keeps its edge at higher temperatures — ideal for tough alloys and extended production runs.
Yes — custom branding, packaging and bulk programs are available.
Email [email protected] or message us on WhatsApp for wholesale pricing, samples and lead times.
Copyright © 2026 Amsuo Technology Limited. All rights reserved — Privacy Policy