Category
Send your part number — quotes typically within hours.
WhatsAppMon–Sat · 9:00–18:00 GMT+8
Why Hooguu Tools
- 📦250,000+ SKUs in stock
- 🏷️50+ brands, all genuine OEM
- ✈️Worldwide via DHL/FedEx
- ↩️30-day money-back
Category: Diamond 55° (DNMA)
-
Sumitomo DNMA150404 AC4010K Carbide Turning Insert – Diamond 55°, R0.4 | Cast Iron DNMA531
$101.40Add to cartGenuine Sumitomo Electric DNMA150404 AC4010K carbide turning insert with a Diamond 55° (D-type) shape, 0° clearance and with hole, no chipbreaker. Grade AC4010K is a CVD-coated carbide grade: first-choice grade for grey cast iron; thick coating for high-speed turning.
-
Sumitomo DNMA150404 AC4015K Carbide Turning Insert – Diamond 55°, R0.4 | Cast Iron DNMA531
$101.40Add to cartGenuine Sumitomo Electric DNMA150404 AC4015K carbide turning insert with a Diamond 55° (D-type) shape, 0° clearance and with hole, no chipbreaker. Grade AC4015K is a CVD-coated carbide grade: first-choice grade for ductile cast iron.
-
Sumitomo DNMA150404 AC415K Carbide Turning Insert – Diamond 55°, R0.4 | Cast Iron DNMA531
$101.40Add to cartGenuine Sumitomo Electric DNMA150404 AC415K carbide turning insert with a Diamond 55° (D-type) shape, 0° clearance and with hole, no chipbreaker. Grade AC415K is a CVD-coated carbide grade: general-purpose cast iron turning.
-
Sumitomo DNMA150404 AC420K Carbide Turning Insert – Diamond 55°, R0.4 | Cast Iron DNMA531
$101.40Add to cartGenuine Sumitomo Electric DNMA150404 AC420K carbide turning insert with a Diamond 55° (D-type) shape, 0° clearance and with hole, no chipbreaker. Grade AC420K is a CVD-coated carbide grade: interrupted turning of cast iron.
-
Sumitomo DNMA150404 BN2000 CBN Turning Insert – Diamond 55°, R0.4 | Hardened Steel DNMA531
$1,230.60Add to cartGenuine Sumitomo Electric DNMA150404 BN2000 CBN turning insert with a Diamond 55° (D-type) shape, 0° clearance and with hole, no chipbreaker. Grade BN2000 is an uncoated CBN (SUMIBORON) grade: machining of hardened steel.
-
Sumitomo DNMA150404 BNX20 CBN Turning Insert – Diamond 55°, R0.4 | Hardened Steel DNMA531
$1,230.60Add to cartGenuine Sumitomo Electric DNMA150404 BNX20 CBN turning insert with a Diamond 55° (D-type) shape, 0° clearance and with hole, no chipbreaker. Grade BNX20 is an uncoated CBN (SUMIBORON) grade: machining of hardened steel.
-
Sumitomo DNMA150408 AC4010K Carbide Turning Insert – Diamond 55°, R0.8 | Cast Iron DNMA532
$101.40Add to cartGenuine Sumitomo Electric DNMA150408 AC4010K carbide turning insert with a Diamond 55° (D-type) shape, 0° clearance and with hole, no chipbreaker. Grade AC4010K is a CVD-coated carbide grade: first-choice grade for grey cast iron; thick coating for high-speed turning.
-
Sumitomo DNMA150408 AC4015K Carbide Turning Insert – Diamond 55°, R0.8 | Cast Iron DNMA532
$101.40Add to cartGenuine Sumitomo Electric DNMA150408 AC4015K carbide turning insert with a Diamond 55° (D-type) shape, 0° clearance and with hole, no chipbreaker. Grade AC4015K is a CVD-coated carbide grade: first-choice grade for ductile cast iron.
-
Sumitomo DNMA150408 AC415K Carbide Turning Insert – Diamond 55°, R0.8 | Cast Iron DNMA532
$101.40Add to cartGenuine Sumitomo Electric DNMA150408 AC415K carbide turning insert with a Diamond 55° (D-type) shape, 0° clearance and with hole, no chipbreaker. Grade AC415K is a CVD-coated carbide grade: general-purpose cast iron turning.
-
Sumitomo DNMA150408 AC420K Carbide Turning Insert – Diamond 55°, R0.8 | Cast Iron DNMA532
$101.40Add to cartGenuine Sumitomo Electric DNMA150408 AC420K carbide turning insert with a Diamond 55° (D-type) shape, 0° clearance and with hole, no chipbreaker. Grade AC420K is a CVD-coated carbide grade: interrupted turning of cast iron.
-
Sumitomo DNMA150408 BN2000 CBN Turning Insert – Diamond 55°, R0.8 | Hardened Steel DNMA532
$1,230.60Add to cartGenuine Sumitomo Electric DNMA150408 BN2000 CBN turning insert with a Diamond 55° (D-type) shape, 0° clearance and with hole, no chipbreaker. Grade BN2000 is an uncoated CBN (SUMIBORON) grade: machining of hardened steel.
-
Sumitomo DNMA150408 BN500 CBN Turning Insert – Diamond 55°, R0.8 | Cast Iron DNMA532
$1,230.60Add to cartGenuine Sumitomo Electric DNMA150408 BN500 CBN turning insert with a Diamond 55° (D-type) shape, 0° clearance and with hole, no chipbreaker. Grade BN500 is an uncoated CBN (SUMIBORON) grade: high-speed machining of cast iron and sintered alloys.
Need Help?
Can't find a part number, need bulk pricing, or want a custom quote?
Currency
Show prices in your local currency.
Shop by Brand
View all 50+ brands →CNC Knowledge Hub
- Sandvik CoroDrill 460 vs OSG EXOPRO WX: Solid Carbide Drill Performanc… Nov 1, 2026
- Turning 304 and 316 Stainless Steel: Cutting Parameters, Chip Control… Oct 31, 2026
- Turning 304 and 316 Stainless Steel: Cutting Parameters, Chip Control… Oct 31, 2026
- ISO P/M/K/N/S/H Carbide Grade Reference Guide: Cutting Parameters, Coa… Oct 31, 2026



