RST BLANK CHUBB SAFE 340X7G - Dr Lock Shop
- Brand: RST
- Product Code: R340X7
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Local StockOut of Stock1–3 daysNational StockOut of Stock1 weekOut of Stock
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$21.38
- Ex Tax: $19.44
RST BLANK CHUBB SAFE 340X7G
Product Overview
The RST BLANK CHUBB SAFE 340X7G is a high-quality replacement key blank designed specifically for Chubb safes. This RST safe blank #340 offers precise dimensions and reliable performance for locksmith professionals and safe owners.
Technical Specifications
| Stem length | 93 mm |
| Flag | 19.5 mm W x 15.5 mm H |
| Gauge | 7G |
| Brand | Rst |
| Bit Length in mm (Along The Stem) | 19.5 |
| Bit Width in mm (Away From The Stem) | 15.5 |
| Has a Collar | No |
| Pin or Pipe | Pin |
| Pre-cut Key | No |
| Single or Double Bitted | Single Bitted |
| Stem Diameter in mm | 4.47 |
| Stem Length in mm | 93 |
Ideal Applications
RST stem lengths are measured from the bottom of the key head to the very end of the stem. This key blank is ideal for locksmiths and safe owners who require an exact replacement for Chubb safe keys with a 7G gauge.
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 340X7G, R340X7, Old Key Blanks
