24mm 26mm 28mm 38mm 40m Twin Wing Coal Bit - all types

coal bit, 1.twin wing coal bit manufacturer, 2.ZM coal bit do in high quality, 3.coal bit OEM, 4.good quality - more info check here: http://www.buyindustrialtools.com/24mm-26mm-28mm-38mm-40m-Twin-Wing-Coal-Bit-10020895/

Quick Brief

Place of Origin: Henan China (Mainland) Brand Name: ZM Model Number: all types Type: Center Drill Bit Material: Tungsten Carbide Use: Well Drilling size: 24mm 26mm 28m 38mm 40mm color: you design main market: south asia and india certificate: ISO produce type: OEM material: carbon steel and tungsten carbide use field: coal seam and rock drilling add: henan province sample: supply PKG: wooden or carton

Product Features:

coal bit

1.twin wing coal bit manufacturer

2.ZM coal bit do in high quality

3.coal bit OEM

4.good quality

Business Terms:

Port: china main port

Minimum Order Quantity: 10 Piece/Pieces

Supply Ability: 30000 Piece/Pieces per Month

Payment Terms: L/C,T/T,Western Union

Contact Supplier

24mm 26mm 28mm 38mm 40m Twin Wing Coal Bit

Specifications and Product Details:

We are leading manufacturer of anchor shank bit, PDC anchor shank drill bit, anchor shank coal bit in China for many years.

ISO9001

Specializes in producing and exporting all kind of drill tools

Low price and supreme quality

Carbide coal drill bit

Coal drill bit/ coal bit:

Applications: apply to the anchor-network support hole drilling in coal mine, hydraulic project. Etc.

Characteristics:

High wear resistance and impact-resistance toughness.
To repeat repair & greaning are not necessary, long drill life.
High efficiency could be promoted sharply in penetration of high-medium hard rock formation.
Labour intensity could be reduced.
Rock formation to be suitable t:f=4-12

3 wings/ 2 wings

Product description:

The coal bits are mainly used in coal and mine drilling.

We can do different measures according to customer’s requirements.

Colliery Drilling Tools	Main Standard(mm)
Colliery Drilling Tools	D	H	L	M
Thread joint	27	44	17	M14×1.5
	27	54	17	M12×1.75
	28	54	20	M12×1.75
	29	52	18	M14×1.5
	30	50	18	M14×1.5
	32	52	22	M14×1.5
	32	56	22	M12×1.75

Description:

bits with anchor-shank

The wings of cutter are made from PDC.They have faster drilling speed and longer life when drilling soft to medium stratumf≤10.
Drilling holes without the contract og the diameter,the quality of the drilled hole is perfect and decreasing the waste of rolled up powder and anchor-shank.
Need not repeat replacing and grinding the bits,and increase supporting efficiency,decrease the labour strength.

PDC anchor-shank drill bit: Cutter is made of PDC, different shapes and combination styles applied for soft to hard rock formations.

Purpose: They are widely used in foundation drilling, rotary drilling, trenching, tunneling, mining, etc.

Dimension: 25, 27, 28, 29, 30, 32, 36, 42 mm.
Normal Thread Model: M16*2; M14*1.5, M12*1.75; M14*1.5; M12*1.75

Note: The bits are cooled and cleaned by water matching with hydraulic rotary drilling machine.

Colliery Drilling Tools	Main Standard(mm)
Colliery Drilling Tools	D	H	L	M
Thread joint	27	44	17	M14×1.5
	27	54	17	M12×1.75
	28	54	20	M12×1.75
	29	52	18	M14×1.5
	30	50	18	M14×1.5
	32	52	22	M14×1.5
	32	56	22	M12×1.75