Specification Brand : Norfield BulletPoint1 : Super Wear Steel. Widely Used For Cross-Grain Boring & Other Work Requiring Smooth, Accurate Holes. BulletPoint2 : Head, Twist And Shank Are Ground After Hardening For Accuracy. BulletPoint3 : Two Outlining Spurs Cut In Advance Of The Chip Lifter BulletPoint4 : Shank, 1/2" X 2". Size, 9/16". Twist Length, 4". Overall Length, 6". ItemName : 62181 Brad Point Spur Machine Bit - 9/16"D x 4" Twist x 6" OAL, 1/2" x 2" Super Wear Steel ItemPackageQuantity : 1 ItemTypeKeyword : brad-point-bits Manufacturer : Norfield Material : Alloy Steel PartNumber : 4628746 ProductSiteLaunchDate : 2004-10-08T00:00:00.000-07:00 UnitCount : 1 UnspscCode : 27111701