1-1/2"-100 HSS 6 Flute Chatterless Countersink Quantity:1 US Patent #D514771 | #D7287285

US Patent #D514771 | #D7287285

Size #3-48

Part Number: BIT-KFDRSD3/8X41/64

Also called Construction Reamers

Part Number: 62C350BCGSS/316

1-1/2"-100 HSS 6 Flute Chatterless Countersink Quantity:1 US Patent #D514771 | #D7287285Product Description 6 Flute chatterless countersinks are designed to provide more metal removes than the 1,2,3 and 4 flute countersinks. They are also more effective on harder materials. Brand Drill America Part Number DEWCHAT1 1 2 100 Size 1 1 2" 100 Material High Speed Steel Finish Uncoated (Bright) Body Diameter 1 1 2" Shank Type Round Countersink Angle 100 Shank Size 3 4" Length 3 1 2" Number of Flutes 6