Drive Bar, Compatible Threader Grainger Part Number 6YJ38, Compatible Threader Manufacturer Part Number 36620, Compatible Threader Series 141 Receding Threader, 161 Receding Threader, 300 Compact Threading Machine Front-Mount, 300 Power Drive Front-Mount, 840A Universal Drive Shaft, Product Type Drive Bar, Features Transfers Power from a Compatible Rigid Power Drive Device to Geared Threader, For Use With Mfr. No. 141/36620