JACKSONS BLANK 645 - Dr Lock Shop
- Brand: Jacksons
- Product Code: 09120407
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Local StockOut of Stock1–3 daysNational StockIn Stock (1)1 week
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$16.53
- Ex Tax: $15.03
JACKSONS BLANK 645
Product Overview
The JACKSONS BLANK 645 is a pipe key blank specifically designed for Jackson padlocks. It is compatible with Jackson JP24 and JP24A models, offering a dependable replacement key solution.
Key Features
- Stem length: 26 mm
- Stem diameter: 5.56 mm
- Internal pipe diameter: 3.8 mm
- Blade size: 9.53 mm (W) x 9.53 mm (L)
Technical Specifications
| Brand | JACKSONS |
| Bit Length in mm (Along the Stem) | 9.53 |
| Bit Thickness in mm | 2.5 |
| Bit Width in mm (Away From the Stem) | 9.53 |
| Main Use | Jacksons JP24 and JP24A Padlocks |
| Pin or Pipe | Pipe |
| Stem Diameter in mm | 5.56 |
| Stem Length in mm | 26 |
Ideal Applications
Designed for use with Jackson JP24 and JP24A padlocks, the JACKSONS BLANK 645 ensures a precise fit and reliable performance for locksmiths and security professionals.
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.
Tags: JACKSONS BLANK 645, 09120407, Pipe Keys – Hollow Shaft


