Non Standard Subland HSS Step Drill Bit for Screw (SED-SD-NSS)

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Customized:
Customized
Standard:
DIN
Type:
Twist Drill Bit
Material:
High Speed Steel
Usage:
Metal Drilling
Feature:
Subland Step
Model NO.:
SED-SD-NSS
Min Quantity:
1000PCS/Size
Surface Finish:
Bright White
Manufacturing Art:
Fully Ground
Transport Package:
PVC Bag, Wood Box, Plastic Box etc
Specification:
SGS, CE
Trademark:
EASYDRILL
Origin:
China
HS Code:
82075090
Production Capacity:
30, 000PCS/Month
Customization:
Available | Customized Request

Product Description

Product Description

Non Standard Subland HSS Step Drill Bits for Screw

1. Material: HSS M2 . other material 4341,M2,M35,M42 are also available.
2.Subland step drill bits are designed to do two jobs in one pass action. They are used to drill a hole with countersink, counterbore, or chamfer.
3.We can make subland step drill bits according to DIN 8374, DIN 8375, DIN 8376, DIN 8377, DIN 8378, DIN 8379. ANSI.
4.Also we can make subland step drill bits accoring to customer's special design.
5.Step drills bits 90 degree, straight shank or (Twist Drills with taper Shank)
6.manufacturing art: roll forged,milled, fully ground;
7.surface finish: bright white,black oxide,tin-coated,coffee etc
8.118degree or 135 split point degree.

HSS (DIN 8374 RN)

B diameter	S Diameter	Overall length	Flute length	S Flute Length	Screw size
mm	mm	mm	mm	mm	mm
7.8	4.3	117	75	11	M4

9.5	5.3	125	81	13	M5

11.4	6.4	142	94	15	M6

15.4	8.4	178	120	19	M8

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Non Standard Subland HSS Step Drill Bit for Screw (SED-SD-NSS)

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