Product Details
191 Series 1-1/2 to 2-1/4" "Little Giant" Screw Jack Complete Set (S191) by Starrett®. "Little Giant" Jack Screws are used for leveling work on planer beds, drills, setting up machinery, and general use in toolrooms or machine shops. 191 Series are 1-1/2" to 2-1/4" / 38-57mm in Size. Series 190 and 191 have 20-pitch screws and for those who desire a finer adjustment, the F190 has a 40-pitch screw. An auxiliary pointed screw is supplied, to be used in place of the screw with swivel cap. Another Extension base is furnished for places where it is not possible to obtain a bearing on a flat surface. Extension V base is for use against a cylindrical form.
Specifications
| Jack Base Diameter : 1" / 25 mm |
| Maximum Height-Attachments: 3-3/4" |
| Maximum Height-Attachments ( mm): 95 mm |
| Range: 1-1/2 to 2-1/4" |
| Range ( mm): 38-57 mm |
Features
- 20-pitch screw
- Maximum Height with Attachments : 3-3/4" / 95mm
- 1" / 25mm Extension
- 1/2" / 13mm Extension
- Extension base is furnished for places where it is not possible to obtain a bearing on a flat surface
- Extension V base is for use against a cylindrical form.
Founded in 1880, Starrett® became a top manufacturer of high-quality precision tools, measuring instruments, gages as well as saws and hand tool products for industrial, professional, and other markets throughout the world. The company's products are designed and made to meet or exceed accuracy and performance requirements of national and international standards. With over five generations of innovation, excellent quality, and unparalleled precision, the Starrett brand remains distinctly American.