Hhs Step Cone Drill Bit Imperial Nitrided Coating Step Drill Bit

• Customized: Customized
• Length: Taper-length
• Type: Core Drill Bit
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: 01-241254
• Material: High Speed Steel
• Usage: Wood Drilling, Metal Drilling
• Shank: 3-Sided Shank
• Finish: Nitride Coated
• Flute Type: Spiral/Straight
• Packing: Blister/Plastic Tube/Plastic Bag
• Transport Package: Carton Box
• Specification: 1/4 to 1-3/8-Inch Step Drill Bit
• Trademark: Cuttingcraft
• Origin: China
• Production Capacity: 10000 Per Month
• Package Size: 10.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

Product Description

 

Feature

HSS STEP BIT: Classic step drill bit set constructed of high-speed steel for drilling holes in plastic, aluminum, copper, stainless steel, and many other types of sheet metal. Also doubles as a hole expander.

TWO FLUTE & TRI SHANK: Two-flute design deburrs during drilling, clearing chips faster and allowing particles to escape for clean cut holes. Each step drill bit features a tri-flatted shank for a secure fit into power tool chucks, eliminating slip.
 

MULTIPLE HOLE DRILL BIT: This versatile step drill bit cone bit can replace a variety of different drill sizes . Drill a range of different sizes and holes with a single bit without needing to change between bits.

Product Parameters

Material	Grade	Chemical Compisition(%)
HSS	4241	W:1.50-2.50; Mo:0.60-1.20; Cr:3.80-4.40; V:0.50-0.70	60-61.5HRC
	4341	W:3.50-4.50; Mo:2.50-3.50; Cr:3.80-4.40; V:1.20-1.80	61-63HRC
	9341	W:8.50-9.50; Mo:2.70--3.30; Cr:3.80-4.40; V:1.30-1.70	63-66HRC
	6542(M2)	W:5.50-6.75; Mo:4.50-5.50; Cr:3.80-4.40; V:1.75-2.20
HSS Co5	M35	W:.6.00-6.70; Mo:4.70-5.20; Cr:3.80-4.50; V:1.70-2.00; Co:4.50-5.50	66-68HRC
HSS Co8	M42	W:.1.15-1.85; Mo:9.00-10.00; Cr:3.50-4.25; V:0.95-1.35; Co:7.75-8.75	66-68HRC

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