JACKSONS BLANK 647 - Dr Lock Shop
- Brand: Jacksons
- Product Code: 09120395
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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 647
Product Overview
The JACKSONS BLANK 647 is a pipe key blank specifically designed for use with Jackson's JP22A and JP23A padlocks. It features precise dimensions to ensure perfect compatibility and dependable performance.
Key Features
- Stem length: 26 mm
- Stem diameter: 6.35 mm
- Internal size: 4.1 mm
- Blade size: 7.94 mm (W) x 8.44 mm (L)
Technical Specifications
| Brand | JACKSONS |
| Bit Length in mm (Along the Stem) | 8.44 |
| Bit Thickness in mm | 2.5 |
| Bit Width in mm (Away From the Stem) | 7.94 |
| Main Use | Jacksons JP22A and JP23A Padlocks |
| Pin or Pipe | Pipe |
| Stem Diameter in mm | 6.35 |
| Stem Length in mm | 26 |
Ideal Applications
Designed for Jackson's JP22A and JP23A pipe padlocks, the JACKSONS BLANK 647 is perfect for locksmiths and professionals who require a reliable and accurately sized 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 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 647, 09120395, Pipe Keys – Hollow Shaft


