Item #: 57100851Brand: Walter-TitexModel #: 5200207 Product Specifications Drill Bit Size (Inch) 1/4 Drill Bit Size (Decimal Inch) 0.2500 Tool Material Solid Carbide Cutting Direction Right Hand Coating/Finish TiNAl Number Of Flutes 0 Spiral Type Regular Flute Type Regular Spiral Drill Point Angle 150 Coolant Through Yes Primary Workpiece Material Aluminum & Non-Ferrous; High-Temp Alloy; Stainless Steel; Cast Iron; Steel Point Type Standard Shank Type Straight Shank Diameter (Decimal Inch) 0.3150 Overall Length (mm) 91.00 Overall Length (Decimal Inch) 3.5827 Shank Diameter (mm) 8.00 Series A6181TFT Web Thinning Web-Thinned Web Configuration Parallel Drill Length Type Screw Machine Maximum Drilling Depth (Decimal Inch) 0.9060 Maximum Drilling Depth (mm) 23.00 Shank Length (Decimal Inch) 1.4173 Shank Length (mm) 36.00 Drill Point Length (mm) 0.85 Drill Point Length (Decimal Inch) 0.0335 Flute By Diameter Ratio 2xD Tool Performance Universal Drill Bit Diameter Tolerance p7 Standards ISO; DIN Flute Length (mm) 34.00 Drill Bit Size Range (Decimal Inch) 0.2500 to 0.3000 Specification Number DIN 6535HA Material Grade K30F UNSPSC Code 23241635