China Halco RC412 Reverse Circulation Hammer 4

Halco RC412 Reverse Circulation Hammer 4" for 121-136mm Drilling at 100-435 psi Operating Pressure

Name: Halco RC412 Reverse Circulation Hammer 4 for 121-136mm Drilling at 100-435 psi Operating Pressure
Brand: ROSCHEN GROUP

The Halco RC412 Reverse Circulation Hammer delivers maximum performance for exploration and grade control applications. Features include one-piece integral top-adaptor design, bit catcher system, and compatibility with most dual wall drill pipe. Operating at 100-435 psi with drilling diameters of 121-136mm, this robust hammer is ideal for mining, quarry, and construction drilling projects.

Origin China 4.5" Reverse Circulation RC Hammer

Packaging Details Wooden box

Materials High Manganese Steel

Supply Ability 2000pcs

Machine Hydraulic Crawler Drill Rig

Name reverse circulation drill pipe

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Product Description

Halco RC412 Reverse Circulation Hammer Overview

The Halco RC412 Reverse Circulation Hammer is engineered for maximum performance in exploration and grade control applications. Designed for mining, quarries, highways, and other projects requiring drilling blasting holes, retaining walls, mountain reinforcement, anchoring, geothermal air conditioning holes, and well drilling.

Key Features & Design Benefits

One-piece integral top-adaptor design for enhanced robustness and simplicity
No make-up components required for improved reliability and serviceability
Bit catcher system for retrieving shanked bits and collaring holes
Sub adaptor body compatible with most dual wall drill pipe systems
High-performance operation in even the hardest rock structures

Technical Specifications

Parameter	Specification
Operating Pressure Range	100-435 psi (7-30 bar)
Drilling Diameter Range	121-136 mm (4 3/4-5 3/8")
Weight	69 kg
Outside Diameter	116 mm (4.567")
Make Up Length	1393 mm (54.842")
Top Thread Options	Remet 4" \| Metzke 4"
Part Numbers	600339 \| 600341

Available Drill Bits

Part No	Diameter (mm)	Diameter (inch)	Face Design	Button Type	Weight (kg)
653178	121	4 3/4	Concave	Domed	13.7
653179	127	5	Concave	Domed	14.3
653177	130	5 1/8	Concave	Domed	14.5
653164	133	5 1/4	Concave	Domed	14.7
653194	136	5 3/8	Concave	Domed	15

Bit Catcher Options

Part No	Outside Diameter Range
603955	118.00 / 118.25 mm
603956	119.50 / 119.75 mm
603957	121.00 / 121.25 mm
603958	122.50 / 122.75 mm
603959	124.00 / 124.25 mm
603960	125.50 / 125.75 mm
603961	127.00 / 127.25 mm
603962	128.50 / 128.75 mm
603963	130.00 / 130.25 mm
603923	131.50 / 131.75 mm
604013	133.00 / 133.25 mm