Packs of 6-Busch Fig 77 Tungsten Vanadium Twist Drills on 3/32" Shanks .50mm-2.30mm Thumler's Tumbler The GRS Inside Ring Engraving

The GRS Inside Ring Engraving Holder (004-697) from Glendo GRS is a purpose-built holding solution designed to secure rings during inside-band engraving work

The 18 mm lens diameter provides a wide field of view

Replacement ceramic and metal pins sold separately in 20-packs

locking in that high tension reliably every time

Part # Metal Type 951-283

Packs of 6-Busch Fig 77 Tungsten Vanadium Twist Drills on 3/32" Shanks .50mm-2.30mm Thumler's Tumbler The GRS Inside Ring EngravingBusch Fig 77 tungsten vanadium steel twist drills are precision engineered tools trusted by professional jewelers and metalsmiths worldwide. Available in 19 sizes ranging from 0. 50mm to 2. 30mm, these drills are manufactured to ultra high precision tolerances for consistent, accurate performance across a wide range of drilling applications. Each drill is mounted on a 3 32" (2. 35mm) shank for fast, tool free changes in standard flex shaft handpieces