Best Carbide - NC Spotting Drill 1/4" (TiAIN Coated, 90°)

High-Precision NC Spotting Drill

The Best Carbide NC Spotting Drill 1/4" (TiAIN Coated, 90°) is designed for accurate spotting and center-marking prior to drilling. Its 90° drill point ensures clean entry and precise alignment, while the solid carbide body delivers rigidity and long tool life. The TiAIN coating enhances wear resistance and heat tolerance, making this drill suitable for high-performance machining environments.

Specifications:

🔹 Tool Series: 228
🔹 Tool Number: 228-2500-A
🔹 Type: Solid Carbide NC Spotting Drill – 90° Drill Point
🔹 Material: Solid carbide metal drill bit
🔹 Style: Fractional
🔹 Cutting Diameter (D1): 0.25" / 1/4"
🔹 Shank Diameter (D2): 1/4"
🔹 Length of Cut (L.O.C.): 1" (≈ 25.4 mm)
🔹 Overall Length (O.A.L.): 2-1/2" (≈ 63.5 mm)
🔹 Coating: TiAIN (Titanium Aluminium Nitride)
🔹 Reference Number: 2282500A

Key Features & Benefits:

✔ 90° Point Geometry – Guarantees precision in spotting and reduces drill walking
✔ Solid Carbide Build – Delivers strength, rigidity, and accuracy
✔ TiAIN Coating – Extends tool life under heat and wear
✔ Fractional Sizing – Easy compatibility with standard tool holders
✔ Optimized Dimensions – Shorter O.A.L. improves stability and accuracy

Applications:

✅ Spotting and center-marking in CNC and NC operations
✅ Hole-starting in steels, stainless steels, and hard alloys
✅ Reliable use in precision machining and production setups

Why Choose?

✔ Accurate spotting for improved hole quality
✔ Extended service life with TiAIN coating
✔ Professional-grade tool trusted in industrial machining