GRS 004-872 1.8mm Round Quick Change "QC" Tool Holders-Sold by the Piece

Sold by the Piece. These are the 1.8mm Round Hole Quick Change “QC” tool holders developed to hold 1.8mm round shank gravers. Tools are held in place by a single (1) hex screw. These tool holders are meant to be used with the quick change handle, part number 104.805 or any style GRS quick change (QC) handpiece. 

These QC holders have a single hex screw as they are made to be used with 1.8mm diameter tools and only require one hex screw to keep 1.8mm shank tools secure.  Traditional QC tool holders are held in place by the 2 hex nuts and usually have 0.136" (3.45mm) inside diameter holes.  All GRS QC tool holders have 0.250" (6.32mm) diameter shafts. These QC tool holders are meant to be used with the quick change handle 104.805 or any of the GRS quick change handpieces like the QC Magnum, the QC Monarch or the QC 901.

The shaft of all GRS QC tool holders is 0.250" (6.32 mm).

GRS makes a variety of QC holders:

104.806 Traditional 2 hex screw 1" standard length 0.136" (3.45mm) hole.

104.855 One hex screw 3/32" (2.35 mm) hole 1" long standard length

104.875 One hex screw 1/8" (3.18 mm) hole 1" long standard length

104.872 One hex screw 1.8 mm hole 1" long standard length

104.870 Traditional 2 hex screw 1" standard length 0.136" (3.45mm) hole. "soft hit" (with nylon ends for softening the strike from power tool applications).

104.803SS Stainless Steel traditional 2 hex screw 1" standard length 0.136" (3.45mm) hole

111.541 Bronze One hex screw 1/8" (3.18 mm) hole 1" long standard length

104.856 Extra Long (½" longer than standard length) Traditional 2 hex screw  0.136" (3.45mm) hole

104.860 Blank traditional 2 hex screw 1" standard length center drilled hole