Air Impact Wrenches
Square Capacity Free Maximum Air Air Average Air Working Length Height Weight
Drive Bolt Drive Speed Torque Inlet Hose Consumption Pressure
inch inch (mm) RPM ft-lb (Nm) inch inch CFM PSI (Bar) inch (mm) inch (mm) lb (kg)
AT-5031SG 3/8 3/8 (10) 9000 130 (176) 1/4 3/8 5.5 90 (6.3) 6.77 (172) 5.35 (136) 2.64 (1.19)
NST-5031F 3/8 1/2 (13) 9000 200 (270) 1/4 3/8 5.5 90 (6.3) 7.09 (180) 6.30 (160) 3.31 (1.50)
AT-5040SG 1/2 5/8 (16) 7000 250 (340) 1/4 3/8 8.0 90 (6.3) 8.07 (205) 7.87 (200) 4.80 (2.18)
NST-5040F 1/2 5/8 (16) 7000 500 (680) 1/4 3/8 6.5 90 (6.3) 8.07 (205) 7.28 (185) 5.71 (2.39)
• Heavy duty twin hammer impact
mechanism
• Full power in reverse and adjustable
3-position power settings in forwards
• Ergonomic design with protective
rubber grip
• Suitable for tyre changing, general
assembly work and other workshop
applications
• Handle exhaust
NST-5040F
1/2" Heavy Duty Composite Air Impact Wrench
Twin Hammer
• Stubby twin hammer impact
mechanism
• Full power in reverse and adjustable
3-position power settings in forwards
• Ergonomic design with protective
rubber grip
• Suitable for tyre changing, general
assembly work and other workshop
applications
• Handle exhaust
NST-5031F
3/8" Composite Air Impact Wrench
Twin Hammer
AT-5040SG
1/2" Air Impact Wrench
Rocking Dog
• Die cast aluminium body
• Rubber scuff guards on nose and back
• Built-in air regulator varies speed and
power
• Suitable for tyre changing, general
assembly work and other workshop
applications
• Front exhaust
AT-5031SG
3/8" Air Impact Wrench
Rocking Dog
• Ergonomic rubber grip, handle
bottom speed control design
• Horizontal trigger, compressed fit on
hammer pin and cage
• Ideal for light duty tyre changing and
general assembly work
• Front exhaust
For impact sockets - see pages 50-52
MAINTENANCE
TOOLS
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