Specification Brand : uxcell BulletPoint1 : Overall Length: 57mm / 2.2"; Shank Diameter: 1/4"; Cutting Diameter: 1/4". Feature with straight shank, helical groove and fine pitch, precise tool for rough milling, used to drill into work piece for slotting. BulletPoint2 : Flutes: 4-Flute; Cutting Depth: 21mm / 0.83". 4 flutes with high precision and sharpness, ensures fast and smooth chip evacuation and provides efficient milling efficiency. BulletPoint3 : Product Name: End Mill Cutter; Package Content: 4 x End Mill Cutter. Widely used for machining of aluminum, cast iron, copper, magnesium alloy, plastic, wood, mild steel and non-ferrous metal materials, etc. BulletPoint4 : Package Content: 4pcs x End Mill; Material: HSS-AL. Made of heat-treated HSS-AL, spiral router bit has high hardness, wear resistance, heat resistance, corrosion resistance, providing good milling and cutting performance. BulletPoint5 : Weight: 62g; Main Color: Silver Tone. Keep the feed rate low at first and then gradually increase it. Avoid selecting a feed rate that is too high, which may cause vibration or excessive tool wear. GpsrSafetyAttestation : 1 ItemName : uxcell 1/4 Inch Cutting Dia 4 Flutes Straight Shank HSS-AL End Mill Router Bit 4pcs CNC Cutter Router Bits Spiral Milling Cutter Tool for Wood PVC MDF Engraving ItemPackageDimensions_Height : 0.59 inches ItemPackageDimensions_Length : 3.54 inches ItemPackageDimensions_Width : 2.36 inches ItemPackageQuantity : 1 ItemTypeKeyword : square-nose-end-mills Manufacturer : uxcell PartNumber : a24102500ux1310 ProductDescription : Feature with straight shank, helical groove and fine pitch, precise tool for rough milling, used to drill into work piece for slotting. 4 flutes with high precision and sharpness, ensures fast and smooth chip evacuation and provides efficient milling efficiency. Widely used for machining of aluminum, cast iron, copper, magnesium alloy, plastic, wood, mild steel and non-ferrous metal materials, etc. Made of heat-treated HSS-AL, spiral router bit has high hardness, wear resistance, heat resistance, corrosion resistance, providing good milling and cutting performance. Keep the feed rate low at first and then gradually increase it. Avoid selecting a feed rate that is too high, which may cause vibration or excessive tool wear.