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PROTO Hex Key Sets
PROTO hex key sets are designed to tighten or loosen fastening screws in automotive, industrial machinery and scientific equipment. They have hexagonal tips to fit in the 6-sided indentation in the screw head or bolt.
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S
T| Style | Model | Measurement Type | Number Of Pieces | Shape | Handle Material | Handle Type | Tether Capable | Arm Length | Arm Type | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | J4992 | - | - | L | Alloy Steel | Plain | - | - | - | €9.65 | |
| B | J4973CG | - | - | - | Plastic | Fold Up | Standard Tool | 3" | - | €23.61 | |
| C | J4993 | - | - | Folding | Alloy Steel | Plain | - | - | - | €13.95 | |
| D | J4974 | - | - | Folding | Alloy Steel | Plain | - | - | - | €13.44 | |
| E | J4991 | - | - | Folding | Alloy Steel | Plain | - | - | - | €19.58 | |
| F | J4973-TT | Metric | 6 | Folded | Steel | Plain | Tether Ready | 5" | Long | €50.39 | |
| G | J4984 | Metric | 9 | - | Alloy Steel | L Handle | Standard Tool | 1.7" to 4.3" | Short | €24.62 | |
| H | J4985 | Metric | 7 | - | Alloy Steel | L Handle | Standard Tool | 1.73" to 3.46" | Short | €12.62 | |
| I | J4969 | Metric | 6 | - | Vinyl | Ergonomic, T Handle | Standard Tool | 6" | - | €87.49 | |
| J | J4988M | Metric | 15 | L | Alloy Steel | Plain | Standard Tool | 1.2" to 6.1" | Short | €103.02 | |
| K | J4994 | SAE | 5 | - | Steel | Fold Up | Standard Tool | 2.4" to 3.3" | Short | €20.38 | |
| L | J4996CG | SAE | 6 | - | Plastic | Fold Up | Standard Tool | 3" | Short | €24.96 | |
| M | J4987 | SAE | 14 | L | Alloy Steel | Plain | Standard Tool | 2.8" to 8.25" | Long | €49.34 | |
| N | J4986 | SAE | 18 | L | Alloy Steel | Plain | Standard Tool | 1.25" to 6.25" | Short | €94.49 | |
| O | J4983 | SAE | 13 | L | Alloy Steel | Plain | Standard Tool | 2.8" to 6.75" | Long | €29.55 | |
| P | J4968 | SAE | 11 | - | Vinyl | Ergonomic, T Handle | Standard Tool | 6" | - | €177.74 | |
| Q | J4978 | SAE | 9 | Folded | Steel | Plain | Standard Tool | 1.25" to 2.0" | Short | €12.96 | |
| R | J4980 | SAE | 13 | - | Alloy Steel | L Handle | Standard Tool | 1.7" to 4.25" | Short | €23.82 | |
| S | J4981 | SAE | 11 | - | Alloy Steel | L Handle | Standard Tool | 1.7" to 3.25" | Short | €11.09 | |
| T | J4982 | SAE | 7 | - | Steel | L Handle | Standard Tool | 1.88" to 3.25" | Short | €7.67 |
Working Mechanism
- Place one of the ends inside a fastener with a hexagonal key and turn it.
- Turn the key for rotating the fastener to tighten or loosen it.
- For tightening, rotate clockwise. For removing or loosening, turn it counter-clockwise.
Features
- PROTO hex key sets feature heat-treated alloy steel construction with rust-resistant black oxide finish for prolonged use.
- They come with plain, L-shaped, fold-up & ergonomic T-handles for convenient fastening.
- The folding hex key sets (such as J4978) comprise multiple keys attached to one handle.
- Keys with tips having a hex ball end allow fasteners access to hard-to-reach areas from multiple angles.
- Selected models are L-shaped and have two arms of unequal length.
- They allow both Metric & SAE measurement and are available in packs of 5, 6, 7, 9, 11, 13, 14, 15 & 18 pieces.
- These sets are supplied in a metal storage box or moulded plastic holder.
Frequently Asked Questions
What is the difference between T-shaped and L-shaped keys?
T-shaped hex key sets (unlike L-shaped keys) feature one long arm with a drive tip at the end, along with a handle for delivering more torque when rotating fasteners.
What is the difference between long end & short end handle keys?
Rotating a long end handle key delivers more torque on the fastener, as compared to using a short end handle key.
How do you maintain hex key sets?
- Protect keys from rust formation.
- Store in a dry and clean place.
- Wipe and lubricate after each use.
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