JACKSONS BLANK 552 - Dr Lock Shop
- Brand: Jacksons
- Product Code: 09120096
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Local StockOut of Stock1–3 daysNational StockIn Stock (4)1 week
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$16.80
- Ex Tax: $15.27
JACKSONS BLANK 552
Product Overview
The JACKSONS BLANK 552 is a key blank specifically designed for Jackson's JBP6 safe locks. It features precise dimensions and high-quality construction to ensure reliable performance and perfect compatibility.
Key Features
- Stem length: 65 mm
- Stem diameter: 4.76 mm
- Blade size: 13.89 mm (W) x 9.53 mm (L)
Technical Specifications
| Brand | JACKSONS |
| Bit Length in mm (Along the Stem) | 13.89 |
| Bit Thickness in mm | 2.5 |
| Bit Width in mm (Away From the Stem) | 9.53 |
| Has a Collar | No |
| Main Use | Jackson's JBP6 Safe Lock (Standard) |
| Pin or Pipe | Pin |
| Stem Diameter in mm | 4.76 |
| Stem Length in mm | 65 |
Ideal Applications
Designed for use with Jackson's JBP6 safe locks, the JACKSONS BLANK 552 is ideal for locksmiths and security professionals who require a dependable key blank for safe lock servicing and replacement.
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. Match your measurement as closely as possible with the table above before ordering your replacement key from Dr Lock Shop.


