288 New Old Stock USA Made #4-32 x 3/4" Slotted Flat Head IRON Machine Screws 3 Jaw Chucks New Jacobs 1/4" capacity Medium

New Jacobs 1/4" capacity Medium Duty Plain Bearing Drill Chuck 1JT Mount Jaws Center-Ground for Absolute Straightness and AlignmentOne-Piece Sleeve Eliminates Crack Between Driving Teeth Often Found in Other DesignsThrough-Hardened Sleeve Teeth

With 140lbs /60kg of clamping force

one medium

Durable construction for long-lasting reliability

The Clik-Stop locking design holds the moving jaw of the wrench in place when the wrench is in use

288 New Old Stock USA Made #4-32 x 3/4" Slotted Flat Head IRON Machine Screws 3 Jaw Chucks New Jacobs 1/4" capacity Medium288 New Old Stock USA Made #4 32 x 3 4" Slotted Flat Head Iron Machine Screws. I am told these screws were produced back in the 30's to 40's. Please have a look. Hard to find vintage iron !