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Carbide Drill Bit For Stainless Steel - 135° Split Point
Carbide Drill Bit for Stainless Steel - 135° Split Point
Cutoutil Tool Co. makes precision carbide drills, end-mills, reamers for stainless, titanium & Inconel. ISO-certified, 18-year OEM for EU/US brands. 48-hour stock, custom 3 weeks. Global DDP.
Description
Carbide Drill Bit for Stainless Steel - 135° Split Point
Carbide Drill Bit for Stainless Steel – 135° Split Point
Professional Guide & Bulk Inquiry Page
Why This Bit Outperforms Every Other "Stainless" Drill
Sub-micro grain carbide: 12 % Co binder, 92 HRA, red-hard to 900 °C-stays sharp after 300+ holes in 316L.
135° split-point + self-centering nipple: eliminates pilot hole, walk-free even on curved 2 mm sheet.
AlTiN multi-layer nano-coating: <0.3 µm friction coefficient, 3× life vs. bright-finish HSS-Co.
Triple-margin geometry: pulls chips out fast, no work-hardening, hole Ra ≤0.4 µm.
-0.005 mm diameter tolerance h7-perfect for H7 reaming or heat-shrink fit.
Shanks ground to h6 for hydraulic and ER collet holders; no slippage at 8 000 rpm.
100 % ring-gauged and run-out ≤0.02 mm; certified for aerospace, medical and food-grade stainless.
Stock Sizes – Ships in 48 h (inch & metric)
| Model Code | Diameter (mm) | Flute Length (mm) | OAL (mm) | Shank (mm) | Flutes |
|---|---|---|---|---|---|
| CDB-SS-135-1.0 | 1.0 | 12 | 38 | 3 | 2 |
| CDB-SS-135-2.0 | 2.0 | 24 | 49 | 3 | 2 |
| CDB-SS-135-3.0 | 3.0 | 33 | 61 | 3 | 2 |
| CDB-SS-135-4.0 | 4.0 | 43 | 75 | 4 | 2 |
| CDB-SS-135-5.0 | 5.0 | 52 | 86 | 5 | 2 |
| CDB-SS-135-6.0 | 6.0 | 57 | 93 | 6 | 2 |
| CDB-SS-135-8.0 | 8.0 | 69 | 117 | 8 | 2 |
| CDB-SS-135-10.0 | 10.0 | 87 | 133 | 10 | 2 |
| CDB-SS-135-12.0 | 12.0 | 101 | 151 | 12 | 2 |
| CDB-SS-135-1/8" | 3.175 | 38 | 70 | 1/4" | 2 |
| CDB-SS-135-1/4" | 6.35 | 64 | 102 | 1/4" | 2 |
| CDB-SS-135-3/8" | 9.525 | 89 | 152 | 3/8" | 2 |
Need special length, 3-flute, internal coolant or TiSiN coating? MOQ 100 pcs, 3-week lead-time.
Engineering Data
Recommended cutting speed: 35–55 m/min (115–180 SFM) for 304/316; feed 0.04–0.12 mm/rev.
Peck: 0.5×D for blind, 1×D for through.
Use mist or 5 % semi-synthetic; pressure ≥6 bar for Ø≥8 mm.
Packaging & Logistics
Plastic tube → anti-rust VCI paper → export carton → pallet.
FedEx/UPS/TNT 3–5 days to USA/EU; sea freight 18–22 days.
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