5PCS Set Inch Tri-Flat Shank Straight Flute HSS Step Drill Bit for Metal

• Customized: Non-Customized
• Length: Jobber-length
• Type: Twist Drill Bit
• Material: High Speed Steel
• Usage: Metal Drilling
• Product Name: HSS Step Drill Bit Set
• Model NO.: PFT004
• Manufacturing Process: Fully Ground
• Shank: Hex / Round / Triangle
• Surface Treatment: Bright, Amber, Tin-Coated
• Point Degree: 135 Degree Split Point
• Application: Steel,Brass, Copper,Aluminium,Wood and Plastic Mat
• Transport Package: Single Piece Packed in Clam Shell
• Specification: 4-12mm, 4-20mm, 4-32mm
• Trademark: Perfect
• Origin: Jiangsu Province, China
• HS Code: 8207509000
• Production Capacity: 5000PCS/ Per Day

Product Description

Product Description:

Procuct Name	5Pcs Three Flats Shank Straight Flute Golden & Black Color HSS Step Drill Bit for Metal in Aluminum Case
Sizes	1/8-1/2", 3/16-1/2", 3/16-7/8", 1/4-3/4", 1/4-1 3/8"   (Metric Size is Available)
Material	HSS    (Cobalt M35 is Available)
Flute Type	Straight Flute   (Spiral Flute is Available)
Flute Number	Two Flutes   (Single Flute, Three Flutes are Available)
Shank	Three Flats Shank   (Quick Change Hex Shank, Round Shank, Double R Shank are Available)
Surface Finish	Black & Amber   (TiN, Bright, Co-coated, Black Oxide, Black & Bright, TiAIN are Available)
Package	5Pcs in Aluminum Case
Features	1. Step drill bits are perfect for drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm. 2. 135° Split Point Tip: increases cutting speed with self-centering and the drills do not run off center. 3. A variety of hole diameters can be drilled using only one tool.  4. The dimension of drilled hole is exact.  5. Two Flute Design: provides longer life and better chip removal. 6. Only for rotary use.

 Product Sizes:



Step Drill Bit Set:




Step Drill Bit: