• Titanium Coated HSS Step Drill Bits
  • Titanium Coated HSS Step Drill Bits
  • Titanium Coated HSS Step Drill Bits
  • Titanium Coated HSS Step Drill Bits
  • Titanium Coated HSS Step Drill Bits
  • Titanium Coated HSS Step Drill Bits

Titanium Coated HSS Step Drill Bits

Customized: Non-Customized
Standard: All
Length: 90mm-120mm
Type: Countersink Drill Bit
Material: High Speed Steel
Usage: Metal Drilling
Samples:
US$ 0/Piece 1 Piece(Min.Order)
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Customization:

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Basic Info.

Model NO.
30601
Surface
Bright Fully Ground, Titanium Coated
Transport Package
Blistar Card, Plastic Tube, Bag
Specification
almost popular size
Trademark
OEM or OSTAR
Origin
Shanghai
HS Code
820750900
Production Capacity
100000PCS Each Month

Product Description

HSS Step Drill Bits
 
Spiral Flute Step Drill Bit,  Step Drills (Straight Flute), Step Drills Set. Such as: 3pcs Setp drills, packing with metal box, wooden box, double blister 

(1) Stright Flute / Spiral Flute
4-12mm x 9 steps
4-20mm x 9 steps 
4-30mm x 14 steps
4-32mm x 15 steps 
6-20mm x 8 steps
6-30mm x 13 steps
6-30.5mm x 10 steps
6-32mm x 9 steps
3/16"-1/2" x 6 steps
1/8"-1/2" x 13 steps
1/4"-3/4" x 9 steps
3/16"-7/8" x 12 steps
7/16"-1-1/8" x 12 steps
1/4" - 1-1/2" x 11 steps
1/2" - 1" x 9 steps
9/16" - 1" x 8 steps
3/4" - 1-3/8" x 11 steps
13/16" - 1-3/8" x 10 steps

(2) Shank: 
Round shank; 
Hex shank; 
Three flat shank; 
Hex quick change shank;

(3) Surface:
white bright;
Titanium coated;
Black nitrided;
Cobalt coated;

(4) 3pcs Step Drills Set
3/16 - 1/2 x 6 step
1/8 - 1/2 x 13 step
1/4 - 3/4 x 9 step
4 - 12mm x 9 step
4 - 20mm x 9 step
4 - 30mm x 14 step
 
4 - 12mm x 9 step
6 - 20mm x 8 step
6 - 30mm x 13 step
Packing: (a) wooden box. (b) aluminum case. (c) blister with card.

Applications:
Step Drill Bits are perfect for drilling multiple-size holes in thin sections of metal, plastic and wood using a single bit. Each step drills does the work of many drill-bit sizes. Drills round holes in most metals (steel, brass, aluminum, copper) up to 1/8" (3.2mm) thick as well as in plastic and wood. No center punching or pilot hole drilling is required on most sizes. The bits are easy to keep sharp, and the hole size is easily determined by the diameter markings that are permanently laser-etched in the flute areas.
 
Product Pictures:
Titanium Coated HSS Step Drill Bits
Titanium Coated HSS Step Drill Bits
Titanium Coated HSS Step Drill Bits
Titanium Coated HSS Step Drill Bits Titanium Coated HSS Step Drill Bits
Art No. Size Range  steps Shank Size
30601001 3/16"-1/2" 6step 1/4"
30601002 1/8"-1/2" 13step 1/4"
30601003 1/4"-3/4" 9step 3/8"
30601004 3/16"-7/8" 12step 3/8"
30601005 7/16"-11/8" 12step 3/8"
30601006 1/4"-11/2" 11step 1/2"
30601007 1/2"-1" 9step 3/8"
30601008 9/16"-1" 8step 3/8"
30601009 3/4"-13/8" 11step 1/2"
30601040 3/8"-1/2" 2step 1/4" with 3 flats
30601041 7/8" 1step 3/8" with 3 flats
30601042 7/8"-11/8" 2step 3/8" with 3 flats
 
Art No. Size Steps Shank Size
30601011 4 - 12mm 5 step 6mm/6.5mm
30601012 4 - 12mm 9 step 6mm/6.5mm
30601013 4 - 20mm 9 step 8mm
30601014 4 - 22mm 10 step 8mm
30601015 4 - 30mm 14 step 10mm
30601016 4 - 39mm 14 step 10mm
30601017 5 - 35mm 13 step 13mm
30601018 6 - 18mm 7 step 10mm
30601019 6 - 20mm 8 step 10mm
30601020 6 - 24mm 10 step 10mm
30601021 6 - 32mm 8 step 10mm
30601022 14 - 24mm 6 step 13mm
30601023 14 - 25mm 7 step 13mm
30601024 20 - 34mm 8 step 13mm
30601025 10 - 20mm 11 step 10mm
30601026 20 - 30mm 11 step 13mm
30601027 5 - 28.3mm 10 step 10mm
30601028 6 - 30mm 13 step 10mm
30601029 6 - 38mm 12 step 10mm
30601030 6 - 26.75mm 7 step 10mm
30601031 6 - 39mm 12 step 10mm
30601032 6 - 37mm 12 step 10mm
30601033 6 - 32mm 9 step 10mm
30601034 6 - 40mm 16 step 13mm
30601035 4 - 32mm 15 step 10mm

Contact Information:
Tel: +86-21-58870860
+86-21-20247707
+86-21-20247708
Fax: +86-21-58822295
Website: http://ostartools.en.made-in-china.com

Any interests in our products,pls kindly feel free to contact us.
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Diamond Member Since 2015

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Management System Certification
ISO 9001, BSCI
Export Year
2003-02-14
International Commercial Terms(Incoterms)
FOB, CFR, CIF, EXW