Professional 3-Pieces Round Shank Straight Flute HSS Step Drill Bit Set (WW-SDB02)

• Customized: Customized
• Standard: JIS, AISI
• Type: Step Drill Bit
• Usage: Metal Drilling
• Carbon Steel: High Speed Steel, HSS M35, M2, 4341, 4241
• Process: Fully Ground
• Model NO.: WW-SDB02
• Finishing: Black, White, Tin-Coated
• Flute: Spiral Flute, Straight Flute
• Transport Package: Carton
• Specification: 4-12mm, 4-20mm, 4-32mm
• Trademark: WINWIN
• Origin: Fujian
• HS Code: 8207509000
• Production Capacity: 50000sets/Month

Product Description

3-PIECES round shank straight flute HSS step drill bit set (WW-SDB02)

Material : HSS 4241 ,4341,6542,9542,Cobalt
Color: white color ,Titanium coating 
Flute : straight ,spiral
Shank: ROUND
Size: 4-12mm ,4-20mm,4-32mm
Packing: Steel box






Our services:
1. Your inquiry will be replied within 24 hours
2. OEM & ODM are all available.
3. Samples can be sent for quality testing.
4. Low MOQ, variety of products in a container is acceptable.
5. Top quality + reasonable price + best service = WINWIN
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