lock screw for sale, brand-new and used.

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Columbus Mckinnon, 6 1/2 Ton Shackle.  Shackle is 3/4 " and had a lock in tight screw pin.  

It took me 5 years to find a fly press in this smaller size. I believe it is a #1 although it seems to be close to a #2 also. My intent was to use it for blacksmithing but I have so many other projects that I never got around to finishing this one.

ZIPPY Dissecting Kit for Student Dissection Use with quality Zippered Case

Makita 6844 3000 Rpm Autofeed Screwdriver, 1/4" Shank “Tool-less” Screw Depth Adjustment Features:

75.115811 Brown & Sharpe Dial Caliper with FREE depth measuring bar 05.60013

Rockler Screw-On Tee Nuts 3/8-Inch x 16 TPI, 8 Pack Product Features Screw

OpenBuilds Anti-Backlash Nut Block for 8mm Metric Acme Lead Screw Product Features

This is the National Course Thread, Two Piece, "Little Giant" Adjustable Die Stock & Tap set. series of tap & dies, in sizes ranging from 1/4 to 3/4", is as solid as the day it was made! The box is a bit weak and could use a good 100 year cleanup & restoration!

Ruland PSR18-6-6-A Set Screw Beam Coupling, Polished Aluminum, Inch, 3/8" Bore A Diameter, 3/8" Bore B Diameter, 1-1/8" OD, 1-1/2" Length, 54 lb-in Nominal Torque

The AJS127-02H Adjustment Screw has precision rolled threads for exceptionally smooth adjustment and higher sensitivity than standard micrometers. The AJS127-02H offers 0.25 inch (6.35 mm) precision travel obtained with hex-head adjustment, ideal for use with Newport optical mounts, stages, and most micrometer-compatible components. With sub-micron sensitivity, they are a cost-effective alternative to micrometers where position readout is not required.