RST BLANK CHUBB SAFE 339X7G - Dr Lock Shop
- Brand: RST
- Product Code: R339X7
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Local StockOut of Stock1–3 daysNational StockOut of Stock1 weekOut of Stock
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$21.54
- Ex Tax: $19.58
RST BLANK CHUBB SAFE 339X7G
Product Overview
The RST BLANK CHUBB SAFE 339X7G is a precision-engineered blank key designed for Chubb safe locks. It features a stem length of 62 mm and a flag measuring 19 mm wide by 16 mm high. The key gauge is 7G, ensuring compatibility with specific lock models requiring this specification.
Key Features
- Stem length: 62 mm
- Flag dimensions: 19 mm (W) x 16 mm (H)
- Gauge: 7G
- Single-bitted design
- Pin-type key
- No collar
- Not pre-cut
Technical Specifications
| Specification | Value |
| Brand | Rst |
| Stem length (mm) | 62 |
| Bit length (mm, along the stem) | 19 |
| Bit width (mm, away from the stem) | 16 |
| Has a collar | No |
| Pin or pipe | Pin |
| Pre-cut key | No |
| Single or double bitted | Single bitted |
| Stem diameter (mm) | 4.47 |
Ideal Applications
This blank key is ideal for locksmiths and safe technicians requiring a reliable replacement for Chubb safe locks. It is suitable for use in traditional pin tumbler safe locks where precise gauge and dimensions are critical for proper operation.
Additional Information
RST stem lengths are measured from the bottom of the key head to the very end of the stem.
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 across the outside diameter of the round shaft. Match your measurement as closely as possible with the table above before ordering your replacement key from Dr Lock Shop.
Tags: RST BLANK CHUBB SAFE 339X7G, R339X7, Old Key Blanks
