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China HSS Spiral Grooved Step Drill Bit

Min. Order / Reference FOB Price
500 Piece	US $5.00/ Piece

Local Area:	Hangzhou, Zhejiang, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T, PayPal

Customized:	Non-Customized
Type:	Step Drill Bit
Material:	High Speed Steel

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Product Description

HSS Spiral Grooved Step Drills
The CBN ground and spiral flutes guarantee quiet running and high cutting performance. Especially the chip flow is optimized, so even long, non-breaking chips will be removed easily. The optimized chip flow protects the cutting edges and reduces built-up edges and cold weld marks. The cone makes it easier to withdraw the tool from the material.
Size RangeStep No.Shank Size4 - 12mm x 2mm56mm4 - 12 mm x 1mm96mm4 - 20mm x 2mm98mm4 - 22mm x 2mm108/10mm4 - 30mm x 2mm1410mm4 - 32mm x 2mm1510mm4 - 39mm x 2-3mm1410mm5 - 28mm710mm5 - 28.3mm1010mm5 - 35mm x 2-3mm1313mm6 - 18mm x 2mm710mm6 - 20mm x 2mm810mm6 - 24mm x 2mm1010mm6 - 25mm710mm6 - 26.75mm810mm6 - 30mm x 2mm1310mm6 - 30.5mm1010mm6 - 32mm810mm6 - 32mm910mm6 - 37mm1210mm6 - 38mm1210mm6 - 40mm1613mm9 - 36mm x 3mm1012mm10 - 20mm x 1mm1110mm12 - 20mm x 1mm910mm12.5 - 30.5mm712mm13 - 38mm1012mm14 - 24mm x 2mm613mm14 - 25mm713mm20 - 30mm x 1mm1113mm20 - 34mm x 2mm813mm30 - 40mm x 1mm1113mm40 - 50mm x 1mm1113mm50 - 60mm x 1mm1113mm5 - 30.5mm1312mm5 - 38mm1412mm