VT machining offers CNC Tapping for 1215 Steel (UNS G12150 / 11SMn30), typically supplied cold-drawn. Lead-free free-machining steel for high-speed screw machines.
CNC Tapping Notes for 1215 Steel
1215 Steel is tapped with cut taps (spiral-point for through holes) and controlled rigid-tapping speed; thread milling is used where tap breakage would be costly.
For estimating, a 100 × 100 × 10 mm block of 1215 Steel weighs about 0.79 kg.
Starting Parameters for CNC Tapping 1215 Steel
| Cutting speed (carbide) | 20-40 m/min |
|---|---|
| Recommended tap | Form (roll) tap — chipless |
| Tap drill for M8×1.25 | Ø7.4 mm (form tap) |
| Spindle speed, M8 | 800-1590 rpm |
| Insert / tool class | ISO P — CVD-coated carbide |
| Coolant | Emulsion (5-8%); dry is possible for interrupted cuts |
Starting values for 1215 Steel, Cold-drawn; optimised on the first article.
Full material data for 1215 Steel (UNS G12150 / 11SMn30) is on the CNC Milling 1215 Steel page.
More on CNC Tapping Steel
Finishing options, quality documentation and general cnc tapping guidance for all steel grades are on our CNC Tapping Steel page.
No drawing yet? Sketch the part in our free 3D + 2D builder and send it with your RFQ.
Quoting CNC Tapping 1215 Steel
Send a STEP/IGES model or PDF drawing, confirm 1215 Steel and its condition (we usually see it supplied cold-drawn), the quantity, critical tolerances and any finish or certificate requirements.
1215 Steel in Other Processes
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Send the drawing, the 1215 Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
What is the typical lead time and minimum order for CNC Tapping 1215 Steel?
CNC Tapping prototypes for 1215 Steel can be produced quickly and scaled to series production. Send your drawing and quantity and we will advise lead time and any minimum order.
What surface finish is achievable on 1215 Steel with CNC Tapping?
Surface finish on 1215 Steel is controlled to your specification; we confirm the achievable Ra against your callout.
What is CNC Tapping 1215 Steel and how is it done?
CNC Tapping 1215 Steel refers to rigid CNC tapping cuts internal threads in sync with spindle feed for precise, repeatable thread engagement. Applied to 1215 Steel — strong, economical and widely available — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.
Why is 1215 Steel a good choice for CNC Tapping?
1215 Steel is strong, economical and widely available, which makes it well suited to CNC Tapping. We tune the process to the alloy so the finished 1215 Steel machining part meets your dimensional and functional requirements.
What tolerances can you hold for CNC Tapping 1215 Steel?
Achievable tolerances for 1215 Steel machining depend on the alloy, geometry and feature size. Milling holds positional and dimensional tolerances to around ±0.01 mm, tighter with precision setups. Exact figures are confirmed against your drawing callouts.
Does CNC Tapping 1215 Steel require dedicated tooling?
Most 1215 Steel machining work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.