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SERIES AC-600

Blade Sizes 3⅞” (98.4mm) through 6¾” (171.4mm)

for use with air, water or mud

The Series AC-600 bit is designed for heavy weight drilling, usually employing the use of 2⅜” (60.3mm) or 2⅞” (73mm) tool joint or heavy-duty drill pipe to drill holes from 4¼” (108mm) through 5⅝” (142.9mm).

While drilling through shale and other formations of similar strength with 6” (152.4mm) or larger bits using 3½” (88.9mm) and 4½” (114.3mm) drill pipe, it is recommend that Type SH-800 bits be used. The AC-600 bits in sizes 3⅞” (98.4mm) through 4⅛” (104.8mm) are for air drilling only.

BODY PARTS—SERIES AC-600

PartApproximate Wt.
NumberPart NameLbs.Kg.
H063Bit shank, 3-Blade . . . . . . . . . . . . . . . . . . . . . . . . . 41.81
H064Bit shank, 4-Blade . . . . . . . . . . . . . . . . . . . . . . . . . 41.81
H1623¼˝ OD Locking Bowl . . . . . . . . . . . . . . . . . . . . . . .3.51.59
H1643-Blade Reaming Stabilizer (slip-on, friction-held,
no threads). Reamers should conform to bit blade
size. (Not to be used when using connectors with
breakout lugs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
62.72
H262-00022⅞” A.P.I. Regular Tool Joint Pin Connector
with breakout lugs . . . . . . . . . . . . . . . . . . . . . . . . . .
167.26
H261-00152⅞” A.P.I. Failing Exploration Tool Joint Box
Connector with breakout lugs . . . . . . . . . . . . . . . . .
104.54
H261-00132⅞” A.P.I. Mayhew Full-Hole Tool Joint Box
Connector with breakout lugs . . . . . . . . . . . . . . . . .
125.44
H261-00122⅜” A.P.I. Mayhew Regular Tool Joint Box
Connector with breakout lugs . . . . . . . . . . . . . . . . .
9.54.31
H261-00142⅜” A.P.I. Failing Exploration Tool Joint Box
Connector with breakout lugs . . . . . . . . . . . . . . . . .
9.54.31
H261-16142⅜” A.P.I. Failing DFD-2 16” (406.4mm) length Tool
Joint Box Connector with breakout lugs . . . . . . . . .
167.26
H261-13142⅜” A.P.I. Failing DFD-2 13” (330.2mm) length Tool
Joint Box Connector with breakout lugs . . . . . . . . .
156.80
H261-00012⅜” A.P.I. Regular Tool Joint Pin Connector
with breakout lugs . . . . . . . . . . . . . . . . . . . . . . . . .
9.54.31
H261-00162⅜” A.P.I. Hughes Acme Tool Joint Box Connector
with breakout lugs . . . . . . . . . . . . . . . . . . . . . . . . .
9.54.31
H261-00062⅜” A.P.I. Internal Flush Tool Joint Box
Connector with breakout lugs . . . . . . . . . . . . . . . . .
104.54
H261-0011Mayhew Junior Tool Joint Box Connector
(without lugs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.52.95
H263-00453-Thread N-Rod Box Connector (without lugs) . .62.72
H263-00394-Thread N-Rod Box Conector (without lugs) . . . .62.72

*Popular sizes carried in stock. Other sizes available on short notice.

Blade SizeAPPROXIMATE Weight—BOX of 12 SETS
Rock Cutter
3-Blade
Carbide Insert
3-Blade
InchesmmLbs.kg.Lbs.kg.
3⅞98.46328.6
4101.66328.6
4⅛104.86328.6
4¼*1086328.66328.6
4⅜111.16328.66328.6
4½*114.364296429
4⅝117.564296429
4¾*120.66529.56529.5
4⅞123.86529.56529.5
5*1276730.46730.4
5⅛130.26830.86830.8
5¼*133.37031.77031.7
139.77333.17333.1
5⅝142.97634.57634.5
6152.48237.28237.2
6¼*158.78237.28237.2
6½*165.19040.89040.8
6¾*171.49944.99944.9

*Popular sizes carried in stock. Other sizes available on short notice.
Available in ⅛” increments.