Aerospace CNC Tooling Malaysia — Process & Procurement Guide 2026

Malaysia's aerospace manufacturing sector spans MRO facilities, aerostructure manufacturers, and engine component suppliers — all operating under AS9100 quality systems and, in many cases, NADCAP-accredited processes. The tooling decisions made on these shop floors carry both quality and safety implications that go beyond any other manufacturing sector.

KS Precision Tools is ISO 9001 certified and an authorised distributor for Mitsubishi Materials, MOLDINO, OSG, and Hayasaka — all proven in aerospace production. This guide covers the technical and compliance requirements that matter to aerospace engineers.

Aluminium structural machining (7075, 2024, 6061)

• Use 3-flute or 5-flute uncoated or ZrN-coated carbide end mills with polished flutes for chip evacuation — aluminium chips that re-enter the cut cause surface damage on structural skins.

• Vc: 800–1500 m/min achievable on modern high-speed machining centres. Feed rates of 0.05–0.15mm/tooth.

• Trochoidal milling for deep pockets and ribs — reduces radial cutting forces on thin-wall sections prone to deflection.

• Mitsubishi Materials AJX series high-feed mills for roughing aluminium structural blocks — high material removal rate before finishing passes.

Titanium alloy machining (Ti-6Al-4V, Ti-5553)

• Sharp cutting edge with AlCrN coating — honed edge preparation, not T-land. T-land causes rubbing in titanium and accelerates built-up edge.

• High-pressure through-spindle coolant — minimum 70 bar. Titanium's low thermal conductivity concentrates heat at the cutting edge. Without high-pressure coolant, tool life drops to minutes.

• Vc: 40–65 m/min for end milling Ti-6Al-4V. Conservative — pushing speed causes catastrophic tool failure in titanium.

• MOLDINO precision end mills and Mitsubishi Materials solid carbide grades are our primary recommendations for titanium structural and engine components.

Inconel machining — carbide vs ceramic

This distinction is critical — and using the wrong approach is immediately destructive:

• Carbide inserts (Mitsubishi Materials MC7000 or MC6000 series) — for end milling, interrupted cuts, and any operation below Vc 80 m/min. Positive rake geometry, AlTiN or AlCrN coating. fz: 0.05–0.10mm.

• Ceramic inserts (Mitsubishi Materials NX2525 or equivalent) — for continuous turning of Inconel ONLY at high cutting speeds (Vc 500–1000 m/min). Never use ceramic on interrupted cuts — the insert shatters on first engagement. Never use ceramic for milling — vibration destroys ceramic edges within seconds.

• SiAlON ceramic for high-temperature turning of Inconel 718 solution-annealed condition — best tool life at high Vc. Ask our team for specific grade recommendation.

CFRP composite drilling — preventing delamination

CFRP delamination is the primary failure mode and a scrap risk on expensive composite panels. The correct approach:

• Use brad-point or double-angle drill geometry — the centre cutting edge must score the fibres before the outer cutting lips engage, preventing peel-up delamination on entry.

• Feed rate: 0.01–0.03mm/rev — low feed prevents push-down delamination on exit. Reduce feed by 50% for the last 0.5mm before breakthrough.

• Dry cutting or MQL only — flood coolant causes moisture absorption in CFRP and damages matrix.

• OSG CFRP-specific drills with diamond coating — best choice for structural fastener holes. PCD-tipped drills for high-volume production.

• For CFRP-titanium stack drilling — use diamond-coated drill at titanium parameters (low Vc), not CFRP parameters.

NADCAP and AS9100 documentation support

We provide the following documentation to support your AS9100 supplier qualification and NADCAP process audit requirements:

1. ISO 9001 certificate (current, with scope)

2. Manufacturer authorisation letters for each brand supplied

3. Certificate of conformance per order on request

4. Batch traceability documentation linking tool grade, batch, and purchase order

5. Cutting tool specification sheets in your required format on request

We are not AS9100 or NADCAP certified ourselves — we supply tooling into AS9100 and NADCAP environments and provide the supporting documentation your audit requires. Lead time for standard aerospace grades: same day or next day. Batch documentation prepared within 24 hours of order.

Contact our aerospace tooling team

Call 03-8941 7168 or email kokyong@ks-precision.com. Provide your workpiece material and alloy designation, operation type, machine specification, and documentation requirements — and we will give you a specific tooling recommendation with performance data.