JACKSONS BLANK 402 - Dr Lock Shop
- Brand: Jacksons
- Product Code: 09120091
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Local StockIn Stock (2)1–3 daysNational StockIn Stock (4)1 week
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$16.53
- Ex Tax: $15.03
JACKSONS BLANK 402
Product Overview
The JACKSONS BLANK 402 is a precision key blank specifically designed for Jackson JT252 drawer locks (old style). Engineered to meet the exacting standards of locksmiths and security professionals, this key blank ensures reliable compatibility and consistent performance. It is an ideal choice for those requiring a trusted replacement or spare key blank, providing seamless key cutting and smooth operation within the designated lock system.
Key Features
- Stem length of 38mm for accurate fitment
- Internal pipe diameter of 3.25mm for proper key insertion
- Blade size measuring 6.35mm wide by 7.94mm long for precise compatibility
- Specifically suited to Jackson JT252 drawer locks (old style)
Technical Specifications
| Specification | Value |
| Stem Length | 38mm |
| Internal Pipe Diameter | 3.25mm |
| Blade Size (Width x Length) | 6.35mm x 7.94mm |
| Compatible Lock Model | Jackson JT252 drawer lock (Old style) |
Ideal Applications
The JACKSONS BLANK 402 is commonly used in residential, commercial, and light industrial settings where Jackson JT252 drawer locks are installed. It is perfect for locksmiths servicing older drawer lock systems, security professionals managing key replacements, and customers needing a reliable key blank for maintenance or spare keys.
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 402, 09120091, Old Key Blanks
