hss step drill

Material: M2, M35
Sizes: 5-13 steps
3-12mm, 4-12mm, 6-12mm, 4-20mm, 6-20mm;
4-22mm, 4-30mm, 6-30mm, 6-35mm

Material: M2, M35
Sizes: Step 4-12mm, 4-20mm, 6-30mm etc.
Bright or Titanium finish
Application: Spiral fluted for cutting holes on metal sheet

Material: M2, M35
Titanium finish
Sizes: 5-13 steps
3-12mm, 4-12mm, 6-12mm, 4-20mm, 6-20mm;
4-22mm, 4-30mm, 6-30mm, 6-35mm

Titanium finish
3pcs/set
set 1: 3-14mm, 5-20mm, 6-30.5mm
set 2: 4-12mm, 4-20mm, 6-30mm
packed in metal box

Material: M2, M35
Titanium finish
Sizes: 4-30mm, 4-20mm, 4-12mm
6-30mm, 6-20mm, 4-12mm
individual in plastic box ...

3pcs/set
4-30mm, 4-20mm, 4-12mm
6-30mm, 6-20mm, 4-12mm
packed in metal/wooden box
application: drilling holes on metal sheet

HSS Titanium Finish Step Drill 3pcs/set

Material: M2, M35
1/2" Straight shank
10 Step sizes:1/4"-3/8"-1/2"-5/8"-3/4"-7/8"-1"-1.1/8"-1.1/4"-1.3/8"
Double blister packing

Material: M2, M35
Sizes: Step 1/8"-1/2" 1/4"-3/4" 3/16"-1/2"
Titanium finish
packed in double blister with plastic bag inside

Material: M2, M35
Sizes: Step 1/4-1-3/8" ,3/16-7/8" ,1/4-3/4", 1/8-1/2" 3/16-1/2"
Titanium finish, Black fluted
packed in aluminium case

Material: M2, M35
Straight shank
3pcs/set Step drill 1/16"-1/2" 1/8"-1/2" 1/4"-3/4"
Titanium finish
Double blister packing

CZIC Step Drill---Step Drill with Spiral Flute
1.) Step drill bits
2.) Spiral flute
3.) Step drill, bright finished
4.)HSS steel ...

step drill bit
Size:OEM straight flute,
surface coating: OEM
packing: 1pc/ in a plastic box,or 3pcs in wood case,
Material: HSS

Application Petroleum & Gas ,Water well ,Mining and Tectonic Industries ,Oil field, Construction, Geothermal, Directional Boring.

1.Stepped three wings drag bit
2.all kinds of models
3.long service lifetime

4-12mm,4-20mm,4-32mm,step drill bit
straight flute, titanium coated,
packing: 1pc/ in a plastic sleeve,or 3pcs in wood case,
Material: HSS

CZIC Step Drill---4 PCS COMBINATION DRILL SET
HSS, Titanium coated
In wooden case

which is suitable for drilling in soft to medium hard stratum, and has better advantages in overcoming incomplete stratum drilling

1) supply new and junk drill bits,pdc bits,tci bits,tricone bits,rock bits.
2)steel tooth bits,drill pipe,scrap drill bits

Our company is a specialty manufacturer of Metal Cutting Tools And Woodworking. Our products 100% exported, every month we export many to America mark

HSS Step Drill Bit
For drilling holes in metal material, wood and hard plastic.

Electroplated diamond core drill bit with Sharper edges ensures Fast & Efficient drilling performance: High speed,Smooth cut.

1.PDC BIT certificate with API and ISO.
2.We can manufacture matrix body pdc bits and steel body pdc.
3.pdc bit from 2-7/8" to 17"

*Spiral flut gives the faster drilling speed and faster dust rejection.

Tungsten Carbide Step Drill Bits,Tungsten Carbide Drill Bits

1,tungsten carbide insert tricone bit
2.certified by ISO,API
3.wide size code
4.best price

Electroplated diamond core drill bit with Sharper edges ensures Fast & Efficient drilling performance: High speed,Smooth cut.

1.Competitive Price(larger order, lower price)
2.Perfect Quality Control System
3.Excellent Sevice
4.Large Business scale

CBN-Ground flute without burs means the superior cutting edge and long tool life.

API Tungsten Carbide Drag Bits
1. ISO9001
2. good stability
3. high drill speed
4. cheap