CNC grinding: end mills, drills & special cutters
See how we use a CNC grinder to make carbide end mills, drills and special cutters.
Watch on YouTubeKY TOOLS / STD
Stepped Solid Carbide Drills
STD series for form-tap pilot holes with chamfering in one operation. Select from 15 catalog models for M1.4–M12 threads.
Size range
M1.4–M12
EDP / Order No.
STD
Sizes & Order Numbers
15 models
01 / 05
Key Features
Stepped Straight Flutes
Stepped straight-flute geometry for pilot-hole machining.
Form-Tap Pilot Holes
Designed for accurate, stable pilot holes before form tapping.
Drill & Chamfer Together
Pilot-hole drilling and chamfering in a single operation.
STD / 15 models
Sizes & Order Numbers
All dimensions in mm. D1: drill diameter · D2: shank diameter · L1: flute length · L2: overall length. For stepped drills, L3 is the pilot length.
| EDP / Order No.STD | ThreadM × P | Drill diameterD1 · h7 | Shank diameterD2 · h6 | Flute lengthL1 | Pilot lengthL3 | Overall lengthL2 | Request quote |
|---|---|---|---|---|---|---|---|
| STD-0140 | M1.4×0.30 | 1.252 | 4 | 18 | 4.5 | 55 | Request quote |
| STD-0170 | M1.7×0.35 | 1.525 | 4 | 18 | 5.5 | 55 | Request quote |
| STD-0200 | M2×0.40 | 1.8 | 4 | 20 | 6 | 55 | Request quote |
| STD-0230 | M2.3×0.40 | 2.1 | 4 | 20 | 7 | 55 | Request quote |
| STD-0250 | M2.5×0.45 | 2.27 | 4 | 20 | 7.5 | 55 | Request quote |
| STD-0260 | M2.6×0.45 | 2.37 | 4 | 20 | 8 | 55 | Request quote |
| STD-0300 | M3×0.50 | 2.76 | 6 | 25 | 10 | 60 | Request quote |
| STD-0350 | M3.5×0.60 | 3.19 | 6 | 25 | 10 | 60 | Request quote |
| STD-0400 | M4×0.70 | 3.65 | 6 | 25 | 12 | 60 | Request quote |
| STD-0500 | M5×0.80 | 4.595 | 8 | 30 | 15 | 70 | Request quote |
| STD-0600 | M6×1.00 | 5.48 | 8 | 40 | 18 | 90 | Request quote |
| STD-0700 | M7×1.00 | 6.48 | 10 | 45 | 20 | 100 | Request quote |
| STD-0800 | M8×1.25 | 7.345 | 10 | 50 | 25 | 100 | Request quote |
| STD-1000 | M10×1.50 | 9.19 | 12 | 60 | 30 | 115 | Request quote |
| STD-1200 | M12×1.75 | 11.045 | 12 | 65 | 35 | 115 | Request quote |
15 of 15 models
PDF page 16 ↗Applications
Pilot holes for form taps
For aluminium AC/ADC and cast iron FC; also FCD. Copper alloys and brass: select according to machining conditions.
Custom Diameters
Custom decimal diameters: MOQ 5 pcs; delivery in 10–15 working days.
Download Solid Carbide Drill CatalogPDF · 17 pages · EN / 中文 / 日本語 · 6.3 MBManufacturing & inspection
Inside Our Workshop
The grinding, measurement and edge-preparation equipment used in our workshop. Click a photograph to take a closer look.
FROM OUR WORKSHOP
Watch us grind and inspect our tools
Two videos filmed in our workshop: CNC tool grinding and dimensional inspection.
Measuring carbide end mills at 0.001 mm
Watch our ZOLLER inspection process for precision carbide end mills.
Watch on YouTubeProduction photographs
Drills, Up Close
Workshop photographs of drill batches, tool details and production work.
Request a Quote for Your Application
Send the EDP number, quantity, workpiece material and required hole depth. Include a drawing for non-standard dimensions.