HD Bit Barrel Mechanics Length Drill Set Cle-Line 1875R Black & Gold HSS RHS/RHC, 29-Piece

The CLE-LINE C21165 is a mechanics-length drill bit set consisting of 29 pieces with sizes ranging from 1/16 inch to 1/2 inch in fractional inch measurements. Made from high speed steel with a black and gold finish, these right-hand spiral flute drill bits feature a split point design. The set is compatible with the material types and drilling applications where high speed steel (HSS) and the specified drill bit geometry are appropriate, and is supplied in a round plastic index case for organized storage. The bits have a straight shank with three flats to provide engagement in drill chucks.

Key Features:

• Contains 29 drill bits sized in 64ths from 1/16" to 1/2".
• Mechanics-length design with a drill length up to 4 times the drill diameter (4xD ratio), per the included specifications.
• Made of high speed steel with a black and gold finish.
• 2-flute spiral configuration with helix angles ranging from 21° to 34°.
• Split point tip for drilling applications where a 135° split point tip is appropriate.
• Straight shank with three flats for engagement in drill chucks.
• Non-coolant through design; use external cutting fluid where required for the intended drilling application.
• Packaged in a round plastic index for bit organization and storage.