ST58 Retractable Drill Bit Retrac Body Rock Drill Bit For Mining Drilling

Brand Name:Mirco
Model Number:ST58
Minimum Order Quantity:negociated one
Delivery Time:10-15 days
Payment Terms:T/T, L/C, Western Union
Place of Origin:China
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Location: Beijing Beijing China
Address: Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
Supplier`s last login times: within 1 hours
Product Details Company Profile
Product Details

ST58 retractable drill bit retrac body rock drill bit for mining drilling

Application:

The Retrac Bits are widely applicable to mining industry, tunneling and underground engineering, open pit, construction drill, blast industry, civil engineering operations,

road, gas line, pipe and trench projects, quarry work, rock anchoring and ground stabilization projects, water well industry, etc,.

89mm 102mm 115mm Retrac button bit ST58

This type design can get better hole deviation control while drilling, it can get bit back easily while the bit is jammed during drilling.


Face TypeFlat face

General purpose bit

Suited for medium to hard rock

Drop conter

Straight hole application

Suited for medium to hard rock

New drop center

Straight hole application

Suited for medium to hard rock

89mm 102mm 115mm Retrac button bit ST58

Button typeSpherical button

Universal button

Wearing resistance good

Best suited to hard ground

27,000~48,000 PSI (180 to 320 Mpa)

Abrasive to very abrasive

Hemispherical button

Universal button

Wearing resistance good

Best suited to hard ground

25,000~45,000 PSI (170 to 300 Mpa)

Abrasive to very abrasive

Parabolic button

Universal button

Fast penetration

Best suited to medium to hard rock

15,000~25,000 PSI (100 to 170 Mpa)

Midly abrasive ground

Conical button

Fast penetration

Best suited to smaller diameter bits

Suited for all non-abrasive ground types

Ballistic button

Fast penetration

Best suited to soft rock

10,000~20,000 PSI (70 to 140 MPa)

Non abrasive ground

About us
MIROC® Rock Drilling Tools are Rock Drilling Tools Brand by KSQ Tecnologies (Beijing) Co. Ltd.

KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical know-how in development, production, and application. The company has adopted advanced manufacturing processes to ensure high quality steels and tungsten carbide inserts for its rock drilling accessories. Its personnel understand clients’ drilling needs, and have the service skills to recommend the right drilling tools for the job. Its experienced product developers can also create custom tools. Furthermore, the company’s development team introduces innovative products each year – tools that are rigorously tested in the field and proven
to perform beyond industry expectations.


MIROC® Rock Drilling and Ground Support Tools include:

Integral Rods
Plug Hole Rods
Tapered Drilling Tools
Extension Drilling Tools
Drifting and Tunneling Tools
Reaming Tools
Shank Rods
Shank Adapters (Striking Bars)
Down-the-hole (DTH) Bits
Down-the-hole (DTH) Hammers


China ST58 Retractable Drill Bit Retrac Body Rock Drill Bit For Mining Drilling supplier

ST58 Retractable Drill Bit Retrac Body Rock Drill Bit For Mining Drilling

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