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Small zinc-plated lock screw with coarse threads and hexagonal head

Ridgid

Ridgid 39860R Lock Screw 7/16-20 pneumatic accessory

SKU CH-5TPY-9V9WE

Lock screw secures 7/16-20 die heads on Ridgid 1210 pipe threading machines

  • Product typeHydraulic Tool Accessories
  • Lock screw fits Ridgid 1210 pipe threading machine
  • Compatible with 713 and 913 quick-opening die heads
  • Zinc-plated finish resists corrosion on job sites
  • Thread size 7/16-20 matches OEM specifications
  • Replaces Grainger part numbers 25XC43 and 4Z974

Ridgid 39860R Lock Screw 7/16-20

The Ridgid 39860R lock screw is a zinc-plated fastener designed for pipe-threading equipment. It fits Ridgid 1210 pipe threading machines and 713 and 913 quick-opening die heads. This accessory suits maintenance technicians who need a direct replacement for worn or lost hardware.

Thread compatibility and machine fit

The screw uses a 7/16-20 thread and matches Grainger part numbers 25XC43 and 4Z974. It is compatible with threader manufacturer part numbers 10491, 23282, 23297, 97065 and 97070. The part also fits threader series 531, 811A and 815. It is not impact rated.

Deciding specification

The 7/16-20 thread size and the listed machine compatibility determine whether this lock screw is the correct part. Buyers who need a different thread pitch or a fastener for non-Ridgid threaders cannot use this item.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $16.99
Cheaper than about 70% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameRIDGID
Product typeHydraulic Tool Accessories

Questions about this item

Which lock screw fits my Ridgid 1210 pipe threading machine?

The 39860R lock screw is designed for the 1210 pipe threading machine and works with 713 and 913 quick-opening die heads.

What does the 7/16-20 thread specification mean for installation?

It indicates a 7/16 inch diameter with 20 threads per inch, ensuring precise fit with compatible Ridgid die heads.

Is this zinc-plated lock screw rated for impact use?

No, the manufacturer specifies that this lock screw is not impact rated.

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