4HDS
April 10, 2017
4HRSD4
April 10, 2017
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4HR

DOWNLOAD SPECS

DOWN HOLE HAMMERS

SPECS

DescriptionEnglishMetric
Outside Diameter3.82″97mm
Minimum Bit Size4.33″110mm
Spanner Flat Size2.5″64mm
Length (Less Bit)37.6″956mm
Bit Shank TypeDHD340ADHD340A
Backhead Thread23/8” API Reg Pin23/8” API Reg Pin
Piston Weight16.3lbs7.4kg
Wear Sleeve Discard Limit3.425″87mm

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