Products

Same Obsessive Craft. Universal Results.

Whether water wells, roof bolts, or deep-hole DTH — our drill pipes share one obsessively slow production method. One universal result.

HDD Drill Pipe & Tools

HDD PIPES · 1-1

Friction-Welded Drill Pipe

Custom heat-treated tool joints deliver superior toughness and wear resistance; the full-length quenched & tempered pipe body meets S135 grade with a refined grain structure; upset-forged pipe ends increase the weld area; complete weld-quality inspection ensures consistent mechanical performance.

S135 GradeUpset-Forged Pipe End100% Weld Inspection

HDD PIPES · 1-2

Integral Drill Pipe

The full-length quenched & tempered pipe body meets S135 grade with a refined grain structure, ensuring fatigue resistance and service life; the smooth forged transition zone reduces stress concentration; 100% quality inspection.

Integral Quenched & TemperedForged Transition Zone100% Inspected

HDD PIPES · 1-3

Compatible Drill Pipe for Foreign Rigs

Adapted to major domestic and international rig models such as Ditch Witch and Vermeer; threads and tool joints are built to original machine parameters for direct, ready-to-use installation.

HDD TOOLS · 1-4

Probe Housing (Probe for Drill Pipe)

Used with directional drill pipe to protect the probe and ensure stable wireless signal transmission; available in rear-load / side-entry mounting and direct-connect / octagonal-connect options.

HDD TOOLS · 1-5

Pilot Bit

Pilot and reaming tools matched to directional rigs, customized by rig model and formation conditions.

HDD TOOLS · 1-6

Reamer

Four structural types cover different formations; select by site conditions.

HDD TOOLS · 1-7

Swivel

Multi-bearing support structure ensures rotational shaft stability during operation and extends product life; high safety parameters guarantee jobsite safety.

Coal Mine Drill Pipe

COAL PIPES · 2-1

Wireline Directional Drill Pipe

Available in friction-welded / integral structures; high-strength material + lightweight design; special thread design improves strength and sealing, with custom threads accepted; low-resistance, high-insulation core for stable signal transmission.

Center WirelineLow ResistanceHigh Insulation

COAL PIPES · 2-2

Fishing Drill Pipe

High-strength material improves strength and toughness for more reliable handling of downhole accidents; special thread design and surface treatment, with custom threads accepted; varied profiles meet working conditions; friction-welded / integral structure optional.

Mining Drill Pipe & Tools

MINING PIPES · 3-1

DTH Drill Pipe

High-grade material + integrated multi-function heat treatment; all threads CNC-machined with international standard thread gauges; pipe-end internal upset process improves weld strength; stress-relief after friction welding ensures stable quality and fast make-up/break-out.

API / CUBEX / DIBH / Z Series Threads

MINING PIPES · 3-2

Rotary Percussion Drill Pipe / Tools

Drill pipe for large open-pit mine blasting-hole drilling, full size coverage 114–340MM, with BECO / API threads optional.

Water Well Drill Pipe & Tools

WATER WELL PIPES · 4-1

Water Well Drill Pipe

Flush profile for easy cuttings removal; large-steel-mill material resists fatigue; pipe-end medium-frequency heating + high-tonnage hydraulic upset thickening; stress-relief of weld after friction welding; available in different materials, diameters, lengths and wall thicknesses, customizable.

Internal Upset ForgingSingle / Double Wrench Flat

WATER WELL TOOLS · 4-2

Water Well Tools (Joint Type)

Complete set of API standard thread gauges for good interchangeability; premium alloy steel + advanced heat-treatment process.

Foundation Drill Pipe & Tools

FOUNDATION PIPES · 5-1

Foundation Drill Pipe

Adapted to major domestic and international foundation rig brands; premium alloy material from large steel mills; in-house heat-treatment furnaces with dedicated quenching & tempering process; high-precision CNC lathe machining; nitrided accessories increase thread wear resistance.

FOUNDATION TOOLS · 5-2

Foundation Tools

Adapted to major domestic and international foundation rig brands; bit alloys from leading domestic manufacturers; special-purpose tools can be developed for complex formation conditions.

Reverse Circulation Drill Pipe & Tools

RC PIPES · 6-1

Reverse Circulation (Dual-Wall) Drill Pipe

High-strength alloy material with heat treatment for long inner and outer tube life; custom seals extend seal life and reduce leakage; precision machining ensures universal interchangeability of inner and outer tubes.

RC TOOLS · 6-2

Reverse Circulation Tools

Custom production per customer usage; reliable structural design ensures long service life and lowers replacement time cost.

Raise Boring Drill Pipe

RAISE BORING · 7-1

Raise Boring Drill Pipe

Selected to U.S. standards 4145H and 4330V; forged uniform structure refines grain; imported thread gauges control machining accuracy; thread surface treatment improves wear resistance and reduces thread-galling risk; co-development and customization available.

RAISE BORING · 7-2

Raise Boring Stabilizer

Same material and process as raise boring drill pipe; additionally the stabilizer working surface is tipped with alloy to effectively extend life; multiple forms available.

DTH Hammers

DTH HAMMERS · 8-1

DTH Hammer

Fast action, high impact energy, low energy loss and long life; good cuttings removal, no easy clogging in deep-hole driving; simple maintenance and high cost-performance.

Tricone Bits

TRICONE BITS · 9-1

Tricone Bit

High penetration efficiency, stable operation, low consumption for the best cost-performance.

Any thread you need. Atlas Copco, Jinke, Zhengyuan, Huatai, Taiye — different rigs have different torque and thread specs. We've been supplying OEM for these brands for years. Whatever thread you need, KISN can machine it.

Connect it and go. No loosening, no matter how long you run it. Swap to the next pipe, and the joint still bites like new.

OEM Supply For

Atlas CopcoJinkeZhengyuanHuataiTaiye

KISN friction welding station in drill pipe workshop

So you see, KISN's "slowness" is not inefficiency.

We fight not for time, but for stability. We bet not on speed, but on safety.

KISN's "slowness" is the entrusted legacy of an era, the unwavering commitment of two generations, a promise no machine can ever replace.

We have guarded this standard for two generations. And we will keep guarding it.

KISN — zero surprises.