ABN 5 Piece SAE Step Drill Bit Set 3/16” to ½” with ¼” Shank， ¼ to ¾” 3/8” Shank， 1/8” to ½” with ¼” Shank， 1/4” to 1-3/8” with 3/8 Shank， 3/16” to 7/8” with 3/8 Shank[Product Information]- SAE Step Drill Bit Set 5 Piece， 5 Piece SAE Step Drill Bit Set comes with five durable step drill bits made of high speed steel perfect for clean holes in thin materials like steel， stainless steel， copper， aluminum， or plastic. This 5 Piece SAE set eliminates the need for 50 individual drill bits.
- Made of high speed steel with titanium nitride coating for proven capability and durability in drilling holes in plastic， aluminum， copper， stainless steel and many other types of sheet metal.
- Increases cutting speed with self-centering， prevents walking， clears chips faster， and allows particulates to escape easier.
- Bits are designed with 135° split point tip， two flutes， and a tri-flat shank. 135° split point tip increased cutting speed with self-centering and prevents walking. Two flutes automatically deburr while drilling to ensure smooth cutting. Tri-flat shank fits into a power tool chuck securely to eliminate slipping and ensure a firm hold.
- Comes in a heavy duty steel case for safe storage and easy transport.
