CMM L-Shaped Type and Retainers
Part Marking for Stamping Operations
The industial standard L-Shaped type and retainers are great for part numbering and part tracking information. This tool is used for part numbers, date and shift codes. The addition of part tracking will provide invaluable details for any production improvement projects.
- Automotive standard
- Factory Direct for price savings




Columbia Marking Tools L-Shaped Type & Retainers
Data Sheets for Stamping Operations.
Part #CMM103-X
- Character Size 5/32" [4mm]
- Replace "X" with any alpha/numeric character required
- Character style 4A
- Engraving depth .025" [.6mm]
- W-1 Tool Steel
- Heat Treated to 57-60 Rc
- Acc Coating for Long Life. CMT Exclusive

Part #CMM125-X
- Character Size 1/8" [3.2mm]
- Replace "X" with any alpha/numeric character required
- Character style 2A
- Engraving depth .023" [.6mm]
- W-1 Tool Steel
- Heat Treated to 57-60 Rc
- Acc Coating for Long Life. CMT Exclusive

Part #CMM018-X
- Character Size 1/8" [3.2mm]
- Replace "X" with any alpha/numeric character required
- Character style 4A
- Engraving depth .023" [.6mm]
- W-1 Tool Steel
- Heat Treated to 57-60 Rc
- Acc Coating for Long Life. CMT Exclusive

Part #CMM518-X
- Character Size 3/16" [4.7mm]
- Replace "X" with any alpha/numeric character required
- Character style 3A
- Engraving depth .025" [.6mm]
- W-1 Tool Steel
- Heat Treated to 57-60 Rc
- Acc Coating for Long Life. CMT Exclusive
Part #CMM164-X
- Character Size 5/32" [4mm]
- Replace "X" with any alpha/numeric character required
- Character style 3A
- Engraving depth .025" [.6mm]
- W-1 Tool Steel
- Heat Treated to 57-60 Rc
- Acc Coating for Long Life. CMT Exclusive
Part #CMM512-X
- Character Size 1/8" [3.2mm]
- Replace "X" with any alpha/numeric character required
- Character style 3A
- Engraving depth .023" [.6mm]
- W-1 Tool Steel
- Heat Treated to 57-60 Rc
- Acc Coating for Long Life. CMT Exclusive

CMM106/CM106 Retainer and Backing Plate Set
Each row holds (7) CMM103, (8) CMM512, (8) CMM164, (8) CMM512

CMM502/CMM521 Retainer and Backing Plate Set
Each row holds (10) CMM512, (10) CMM164, (10) CMM512
