Product Detail
PCD Thread Milling Cutter
PCD aluminum thread-form geometry: pitch-diameter and crest profile on Al-Si housings.
Al-Si crest geometry · pitch-diameter window
Pitch-diameter and crest profile on abrasive aluminum threads
Metric and unified threads in high-silicon aluminum ask for crest durability and a stable PD window while Si grit polishes ordinary edges. This page opens on aluminum thread-form geometry—standard, pitch, class, ID/OD—sized for PCD crests on Al-Si housings.
Form fields that size the PCD blank
| Field | Why it matters on Al-Si |
|---|---|
| Standard + pitch | Crest spacing and helix for interpolation |
| Tolerance class | PD / major / minor windows |
| ID vs OD | Internal boss vs external stud |
| Blind depth | Entry chamfer and chip exit space |
| Alloy / Si note | Abrasive load on the crest |
Feature geometry before shop folklore
EV housings and Al-Si castings need the class held while grit polishes soft crests. Lead with the form envelope: pitch diameter, major/minor as drawn, and whether the crest must stay sharp through long aluminum lots.
- Prismatic Al bosses with classed internal threads
- External Al studs where form tools glaze mid-lot
- Cells already running PCD reamers or PCD squares nearby
Threads in steel or stainless
Interrupted steel/stainless hole programs → carbide thread mill. The PCD cutters on this page are made for threads in aluminum parts. Still deciding whether an aluminum thread should be tapped or milled? Read thread milling vs tapping in aluminum first.
Geometry packet
- Thread standard, pitch, class; ID or OD
- PD / major / minor limits as dimensioned
- Alloy designation and any Si% callout
- Blind depth + entry chamfer sketch
- Machine kinematics note (helical capable)
Adjacent aluminum features
- PCD reamers — plain bore finish
- PCD square — prismatic walls
- PCD chamfer / spotface — hole-mouth prep
Al thread-form FAQ
Is “M10 aluminum housing” enough?
No. Class, depth, alloy, and ID/OD are required before crest geometry is fixed.
Do you stock PCD taps here?
This series is milling cutters for thread forms. Name any alternate process in RFQ notes.
Form envelope ready?
PCD aluminum thread quotes start from pitch-diameter geometry and alloy abrasion.