7/8 inch (22 mm) Acme Lead Screw Assembly

Part Number Construction

Newsletter Sign Up

Questions? Call 800-243-2715

Related Companies

7/8" (22 mm) KERK^® LEAD SCREW ASSEMBLIES

Lead Screw Size List

Nominal Screw Diameter: 7/8" (22 mm)

Compatible Lead Screw Nut Styles: ZBA, NTB, VHD, BFW

Diameter		Diameter Code	Lead		Lead Code	Left Hand Avail.	Outside Diameter (For Reference)		Root Diameter (For Reference)		Efficiency %*
inches	mm	Diameter Code	in	mm	Lead Code	Left Hand Avail.	in	mm	in	mm	Efficiency %*
7/8	22	087	0.200	5.08	0200	√	0.870	22.10	0.742	18.85	48
			0.236	6.00	0236		0.848	21.54	0.773	19.63	52
			0.250	6.35	0250		0.875	22.23	0.749	19.02	53
			0.394	10.00	0394		0.875	22.23	0.741	18.82	65
			0.500	12.70	0500		0.862	21.89	0.744	18.90	69
			0.630	16.00	0630		0.875	22.23	0.741	18.82	73
			0.667	16.94	0667		0.871	22.12	0.745	18.92	74
			0.787	20.00	0787		0.875	22.23	0.741	18.82	78
			0.945	24.00	0945		0.875	22.23	0.741	18.82	79
			1.000	25.40	1000		0.871	22.12	0.742	18.85	80

*Listed efficiencies are theoretical values based on Kerkote^® TFE coated lead screws.

Shaded areas have been translated from their designed inch or mm dimension to an equivalent mm or inch dimension.