JACKSONS BLANK 639 - Dr Lock Shop
- Brand: Jacksons
- Product Code: 09120403
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Local StockOut of Stock1–3 daysNational StockIn Stock (3)1 week
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$16.53
- Ex Tax: $15.03
JACKSONS BLANK 639
Product Overview
The JACKSONS BLANK 639 is a pipe key blank specifically designed for use with Jackson padlocks. It is compatible with the Jackson JP254 and JP34 models, offering a reliable and precise fit for secure locking applications.
Key Features
- Stem length: 30 mm
- Stem diameter: 6.35 mm
- Internal size: 4.1 mm
- Blade dimensions: 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 |
| Main Use | Jacksons JP254 and JP34 Padlocks |
| Pin or Pipe | Pipe |
| Stem Diameter in mm | 6.35 |
| Stem Length in mm | 30 |
Ideal Applications
Designed for use with Jackson JP254 and JP34 padlocks, the JACKSONS BLANK 639 is ideal for locksmiths and security professionals who require a precise and durable pipe key blank for these specific models.
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: JACKSONS BLANK 639, 09120403, Old Key Blanks
