Black chromoly steel impact socket with square opening and through hole for pin retention

Professional Heavy-Duty Tool - STEELMAN 1in Drive 17mm Impact Socket (JS-60557)

4-Point Square Design for Budd Wheel Applications

The STEELMAN JS-60557 grips square Budd fasteners at the flats, eliminating rounding on commercial trucks and industrial equipment. Exceeds ASME torque specs by 150%.

Key Features and Benefits

Zero-Slip Square Engagement - The 4-point design locks onto square Budd fasteners with precision contact at all four flats, preventing the rounding and slipping that occurs with standard hex sockets on square hardware.
Deep Well Reach - Extended depth design accesses recessed wheel studs and long threads common in heavy-duty applications, reaching fasteners that shallow sockets cannot engage properly.
Commercial-Grade Durability - Heat-treated chromoly steel construction withstands repetitive high-torque impacts, while black phosphate coating resists corrosion in harsh shop environments and maintains readability of laser-etched size markings.

Perfect for Heavy-Duty Applications

This impact socket solves problems faced by fleet technicians working with square-head fasteners on commercial vehicles and industrial equipment.

  • Fleet maintenance shops working on trucks, trailers, and commercial buses.
  • Mobile mechanics servicing roadside breakdowns with square Budd hardware.
  • Heavy equipment repair teams handling industrial machinery fasteners.
  • Transit fleet garages maintaining buses with square Budd hardware.
  • Construction and mining operations maintaining vehicle fleets.

Technical Specifications

STEELMAN JS-60557 Impact Socket Specifications
Specification Details
Drive Size 1 inch
Socket Size 17mm (4-point square)
Dimensions 2.28 x 2.12 x 2.12 in (58 x 54 x 54 mm)
Weight 0.56 lbs (0.25 kg)
Quantity Single socket
Design Deep well, 4-point square
Material Chromoly steel (CrMo), heat-treated
Finish Black phosphate (corrosion-resistant)
Compatibility 1-inch drive impact tools with pin/ring retention
Torque Rating 150% of ASME spec for impact tools

Get Reliable Performance for Heavy-Duty Impact Socket Applications

Order your STEELMAN JS-60557 today for dependable heavy-duty performance with pin and ring retention compatibility.

Frequently Asked Questions

Q: How does this compare to standard hex impact sockets? A: This 4-point square socket grips Budd fasteners at the flats instead of corners, preventing rounding and slippage that hex sockets cause on square hardware. The specialized design ensures secure engagement with commercial truck wheel nuts without damaging expensive fasteners during high-torque applications.
How does this compare to standard hex impact sockets?

This 4-point square socket grips Budd fasteners at the flats instead of corners, preventing rounding and slippage that hex sockets cause on square hardware. The specialized design ensures secure engagement with commercial truck wheel nuts without damaging expensive fasteners during high-torque applications.

Q: Will this work with my 1-inch drive impact wrench? A: Yes, it features standard pin and ring grooves for secure retention on all 1-inch drive air impact wrenches, adapters, and extensions. The through-hole design with retention groove meets industry standards and prevents the socket from separating during high-torque operations or when changing positions.
Will this work with my 1-inch drive impact wrench?

Yes, it features standard pin and ring grooves for secure retention on all 1-inch drive air impact wrenches, adapters, and extensions. The through-hole design with retention groove meets industry standards and prevents the socket from separating during high-torque operations or when changing positions.

Q: What vehicles use 17mm Budd wheel nuts? A: Commercial trucks, tractor-trailers, buses, and heavy industrial equipment commonly use 17mm square Budd-style fasteners for wheel mounting applications. Fleet vehicles, construction machinery, and mining equipment often feature this fastener type for secure wheel attachment in demanding operating conditions. This socket works on Class 6, 7, and 8 commercial vehicles requiring specialized square nut removal.
What vehicles use 17mm Budd wheel nuts?

Commercial trucks, tractor-trailers, buses, and heavy industrial equipment commonly use 17mm square Budd-style fasteners for wheel mounting applications. Fleet vehicles, construction machinery, and mining equipment often feature this fastener type for secure wheel attachment in demanding operating conditions. This socket works on Class 6, 7, and 8 commercial vehicles requiring specialized square nut removal.

Q: How durable is the chromoly steel construction? A: Heat-treated chromoly steel exceeds ASME torque requirements by 150% and withstands repetitive high-impact use in professional shop environments. The black phosphate coating provides corrosion resistance while laser-etched markings remain readable after thousands of uses in harsh conditions. This construction handles pneumatic impact wrenches delivering up to 1000 ft-lbs of torque without cracking or deformation.
How durable is the chromoly steel construction?

Heat-treated chromoly steel exceeds ASME torque requirements by 150% and withstands repetitive high-impact use in professional shop environments. The black phosphate coating provides corrosion resistance while laser-etched markings remain readable after thousands of uses in harsh conditions. This construction handles pneumatic impact wrenches delivering up to 1000 ft-lbs of torque without cracking or deformation.

About the Brand

Steelman

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