RST BLANK CHUBB 120G BRASS - Dr Lock Shop
- Brand: RST
- Product Code: R120B
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Local StockOut of Stock1–3 daysNational StockOut of Stock1 weekOut of Stock
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$17.73
- Ex Tax: $16.12
- 2 or more $17.37
- 3 or more $17.20
- 4 or more $17.02
- 5 or more $16.84
- 10 or more $15.95
RST BLANK CHUBB 120G BRASS
Product Overview
RST blank CHUBB #120B key blank designed to suit the 3G110 mortise lock. This key features a brass plate finish and is crafted to precise specifications for reliable performance.
Key Features
- Compatible with 3G110 mortise locks.
- Stem length: 51mm (measured from the bottom of the key head to the end of the stem).
- Flag dimensions: 15mm wide x 9mm high.
- 5-gauge thickness.
- Brass plate finish for durability and aesthetic appeal.
Technical Specifications
| Brand | Rst |
| Bit Length in mm (Along the Stem) | 15 |
| Bit Width in mm (Away From the Stem) | 9 |
| Has a Collar | Yes |
| Main Use | CHUBB 3G110 Mortice Locks |
| Pin or Pipe | Pin |
| Single or Double Bitted | Single Bitted |
| Stem Diameter in mm | 5.4 |
| Stem Length in mm | 51 |
Ideal Applications
This key blank is ideal for locksmiths and professionals requiring a precise replacement for CHUBB 3G110 mortise locks. Its robust brass finish and accurate dimensions ensure compatibility and longevity.
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 120G BRASS, R120B, Pin Keys – Solid Shaft
