This difference minimizes wear compared to the rapid galling that other threads experience.
Boart longyear drill rod specifications.
Boart introduces first q wireline system 1965.
Canadian longyear starts producing rod and casing in north bay 1958.
The lf 230 deep hole drill provides the features and the power required to get just about any job done easily and efficiently.
Click on the links below to view catalogs and information for boart longyear s complete drilling services tooling and drill rig product line.
Dcdma standardizes w world drill rod with coarser 3 tpi threads and larger od 1966.
To new unused boart longyear rods used in a straight vertical hole assuming compliance to wireline drill rod care and handling manual and standard core drilling practices.
Conical threads are similar in thread form and appearance to cylindrical threads except there is a 0 5 1 0 angle resulting in a slight conical shape.
This is a measure of how much load a joint can carry as compared to the midbody e g.
Lf 230 surface coring drill rig.
Other drill rods are typically through wall hardened to 32 hrc.
All standard rotary overburden casing is manufactured by boart longyear with a double start cylindrical thread.
Q drill rod launched with tapered acme thread.
A 40 000 lb hoist allows for rig depth capacity beyond its class.
Rod weight per unit length 37 30 kg 3 m 82 16 lb 10 ft rod content weight water per unit length 8 80 l m 0 70 gal ft.
Coring rods and casing catalog.
English pdf in hole tools catalog.
They only have pin thread case hardening for wear.
English pdf diamond products catalog.
Designed to be modular with a number of options the lm75 is easily tailored to specific needs and can be upgraded when requirements change.
20 ft container load of 3 0 m 10 ft rods holds 20 bundles 380 rods 40 ft container load of 3 0 m 10 ft rods holds 30 bundles 570 rods do not use rods shorter than 1 5m at top of hole as a drive sub or kelly rod because they do not have q t heat treatment.
Lf 230 core drill technical data sheet boart longyear is constantly striving to improve its products and must therefore reserve the right to change designs materials specifications and price without notice.
Lm 75 underground coring drill rig.
The lm 75 is a mid sized drill rig for underground diamond coring with a 75 kw electric motor.
