2021 Sheperd Catalog

66 STEM FASTENING IDENTIFICATION GUIDE Match fastening to corresponding illustration. Replacement grip ring stems can be slightly shorter than original stem and still be suitable. A rounded or squared stem head has no effect on fit. All fastenings shown are actual size. Plain Stem Threaded Stem Grip Ring Stem 419 7⁄16" dia. x 1-7⁄8" 242 7⁄16" dia. x 1-7⁄8" 211 7⁄16" dia. x 1-7⁄16" 291 7⁄16" dia. x 1-1⁄4" 223 7⁄16" dia. x 7⁄8" 222 3⁄8" dia. x 1" 844 1⁄4" dia. UNF20 x 1⁄2" 828 1⁄4" dia. UNF20 x 5⁄8" 525 5⁄16" dia. UNC18 x 1⁄2" 532 5⁄16" dia. UNC18 x 3⁄4" 545 5⁄16" dia. UNC18 x 7⁄8" 507 5⁄16" dia. UNC18 x 1" 526 5⁄16" dia. UNC18 x 1-1⁄4" 500 5⁄16" dia. UNC18 x 1-1⁄2" 512 5⁄16" dia. UNC18 x 2" Fastenings