RST BLANK CABINET 78X9G - Dr Lock Shop
- Brand: RST
- Product Code: R78X9
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Local StockOut of Stock1–3 daysNational StockIn Stock (106)1 week
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$17.73
- Ex Tax: $16.12
RST BLANK CABINET 78X9G
Product Overview
The RST BLANK CABINET 78X9G is a premium RST pin cabinet blank, model #78, engineered for precision and dependable performance. It features a stem length of 41 mm, a flag measuring 13 mm wide by 11 mm high, and is manufactured to a 9G gauge. Stem lengths for RST products are measured from the bottom of the key head to the tip of the stem, ensuring accurate sizing for locksmith applications.
Technical Specifications
| Specification | Value |
| Brand | Rst |
| Stem Length (mm) | 41 |
| Flag Dimensions (W x H in mm) | 13 x 11 |
| Gauge | 9G |
| Bit Length (mm, along the stem) | 13 |
| Bit Width (mm, away from the stem) | 11 |
| Has a Collar | No |
| Pin or Pipe | Pin |
| Pre-cut Key | No |
| Single or Double Bitted | Single Bitted |
| Stem Diameter (mm) | 3.66 |
Key Gauge to Imperial / Metric Conversion
Use this key gauge conversion table from Dr Lock Shop to identify the correct gauge for old pin keys, pipe keys, safe keys, and other traditional keys. Measure the diameter of the key shaft and compare it with the imperial or metric measurements below.
| Key Gauge | Inches (Decimal) | Millimetres (mm) |
| 1 | 0.300" | 7.60 mm |
| 2 | 0.276" | 7.01 mm |
| 2½ | 0.264" | 6.71 mm |
| 3 | 0.252" | 6.40 mm |
| 3½ | 0.242" | 6.15 mm |
| 4 | 0.232" | 5.89 mm |
| 4½ | 0.222" | 5.64 mm |
| 5 | 0.212" | 5.38 mm |
| 5½ | 0.202" | 5.13 mm |
| 6 | 0.192" | 4.88 mm |
| 6½ | 0.184" | 4.67 mm |
| 7 | 0.176" | 4.47 mm |
| 7½ | 0.168" | 4.27 mm |
| 8 | 0.160" | 4.06 mm |
| 9 | 0.144" | 3.66 mm |
| 10 | 0.128" | 3.25 mm |
| 11 | 0.116" | 2.95 mm |
| 12 | 0.102" | 2.62 mm |
Choosing the correct key gauge: Measure the outside diameter of the round shaft and match your measurement as closely as possible with the table above before ordering your replacement key from Dr Lock Shop.


