Gold Member Since 2014
Audited Supplier
Xiamen Bestlink Factory Co., Ltd.

Plug Hole Rod, Plug Hole Integral Rod, 19*108 Rod manufacturer / supplier in China, offering Shank Hex 19*108mm Plug Hole Rod (integral rod drilling), 30HP 60HP Thin Stone Veneer Mighty Stone Saw Cutting Machine, Electric Stone Splitting Machine for Slate Sandstone and Mushroom Stone and so on.

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Supplier Homepage Product Small hole drilling tools integral rod Shank Hex 19*108mm Plug Hole Rod (integral rod drilling)

Shank Hex 19*108mm Plug Hole Rod (integral rod drilling)

FOB Price: US $10-30 / Piece
Min. Order: 50 Pieces
Min. Order FOB Price
50 Pieces US $10-30/ Piece
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Production Capacity: 10000PCS Per Month
Transport Package: Plywood Box
Payment Terms: L/C, T/T, Money Gram, Western Union

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Basic Info
  • Model NO.: HEX 19*108
  • Length: 500-6000mm
  • Shank Hex: 19*108
  • Steel Type: G1, G2, G3
  • Diameter: 17mm - 22mm
  • Trademark: none
  • Origin: China
  • Certification: API
  • Material: 55simnmo, 95crmo
  • Drilling Rod Length: 150mm - 800mm
  • Brand: Bestlink
  • Mining Object: Coal Machinery
  • Specification: HEX19*108
  • HS Code: 72288000
Product Description
Our factory can offer many kinds of drill bits, including chisel type bits, cross type bits, tapered drill rods and integral drill rods, mainly used for mining, coal cutting, tunneling, rock cutting in quarrying.

1. Tapered drill rod
Shank Hex: 19mm*83/108mm, 22m*83/108mm, 25mm*108/159mm
Taper degree: 4.46 6 7 11 12
Drilling rod length: 0.4m-6m

The tapered drill rod is used for rock drilling, blasting holes and other drilling works in the quarries, coal mines, traffic and other constructions.
Generally, the lightduty rock drill uses 7 taper or smaller taper angle, the heavyduty rock drill mainly uses 12 taper angle.


Tapered steel rod work with taper drill bits which are usually hexagonal. When it comes to the small-hole drillingtools equipped with pneumatic & hydraulic rock drills, Taper drill equipments is prevailingly used for rock drilling, blasting holes and other drillingworks especially in the mining application and dimensional stone industry.

Taper steel rod are the same as integral drill rods which havedifferent length to fit different drilling applications in mining, quarrying, road building etc. Taper drill rods need tapered drill bits to work, such as tapered chisel bits, tapered cross bits and tapered button bits.

There are different taper angle ( 6 degree, 7 degree, 11 degree, 12 degree, etc. )on customers' request. Taper drill rods and taper drill bits must be in the same tapered degree.

2. Integral drill rod
Shank: HEX*22*108
Bits diameter: 29-40mm

The products are widely used in coaling, construction, stoning and etc.

The plug hole integral drill rod is widely used in stone pit field to drill small holes.
Because of the integration of the rods and bits, the integral drill rod can be metched directly with rock drills without shank adapter or coupling sleeve, these advantages avoid the wastage of energy, and improve the drilling efficiency remarkably.
19mm 3 /4"Part No.Length (mm)Bit diameter(mm)Turned length (mm)Weight approx kg

721-2117-15,05-02210171500.7

721-2120-15,05-02210201500.7
Chisel bit integral.721-2122-15,05-02210221500.7
Shank hex. 19mm 3 /4" x 108 mm (4 1 /4")721-2620-20,05-02260202000.8

721-2622-20,05-02260222000.8

721-3122-25,05-02310222500.9

721-3420-28,05-02340202801
Shank hex. 19mm 3 /4" x 82 mm (4 1 /4").722-2120-15,05-02210201500.7
722-2122-15,05-02210221500.7
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