Teng Tools SAE Hex Key 1/16-5/8 in - Individual AF Allen Wrench, Chrome Vanadium, Black Phosphate Finish, ASME B18.3 - Choose Your Size
Teng Tools SAE Hex Key 1/16-5/8 in - Individual AF Allen Wrench, Chrome Vanadium, Black Phosphate Finish, ASME B18.3 - Choose Your Size
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Data sheets (15 PDFs)
- 310102 Data sheet (PDF)
- 3101025 Data sheet (PDF)
- 310103 Data sheet (PDF)
- 3101035 Data sheet (PDF)
- 310104 Data sheet (PDF)
- 3101045 Data sheet (PDF)
- 310105 Data sheet (PDF)
- 310106 Data sheet (PDF)
- 310107 Data sheet (PDF)
- 310108 Data sheet (PDF)
- 310110 Data sheet (PDF)
- 310112 Data sheet (PDF)
- 310114 Data sheet (PDF)
- 310116 Data sheet (PDF)
- 310120 Data sheet (PDF)
Teng Tools SAE (AF) hex keys, sold individually in 15 sizes from 1/16 in to 5/8 in. Choose your size above.
- Individually marked for size
- Ground key ends for a better finish and precise fit
- Manufactured in chrome vanadium steel with a black phosphate finish
- Designed and manufactured according to ASME B18.3
Specifications
| Type | Hex key, AF (inch) |
| Material | Chrome vanadium steel |
| Finish | Black phosphate |
| Standard | ASME B18.3 |
Sizes
| Size | Part number | Arm lengths |
| 1/16 in | 310102 | 14 x 44 mm (0.5 x 1.7 in) |
| 5/64 in | 3101025 | 15 x 48 mm (0.5 x 1.8 in) |
| 3/32 in | 310103 | 17 x 51 mm (0.6 x 2.0 in) |
| 7/64 in | 3101035 | 18 x 54 mm (0.7 x 2.1 in) |
| 1/8 in | 310104 | 19 x 57 mm (0.7 x 2.2 in) |
| 9/64 in | 3101045 | 20 x 64 mm (0.7 x 2.5 in) |
| 5/32 in | 310105 | 21 x 64 mm (0.8 x 2.5 in) |
| 3/16 in | 310106 | 24 x 70 mm (0.9 x 2.7 in) |
| 7/32 in | 310107 | 26 x 76 mm (1.0 x 2.9 in) |
| 1/4 in | 310108 | 28 x 83 mm (1.1 x 3.2 in) |
| 5/16 in | 310110 | 32 x 95 mm (1.2 x 3.7 in) |
| 3/8 in | 310112 | 35 x 108 mm (1.3 x 4.2 in) |
| 7/16 in | 310114 | 38 x 121 mm (1.4 x 4.7 in) |
| 1/2 in | 310116 | 41 x 133 mm (1.6 x 5.2 in) |
| 5/8 in | 310120 | 48 x 159 mm (1.8 x 6.2 in) |
Specifications
| Type | Hex & TX Keys |
|---|---|
| Category | Hex Keys |
| Measurement standard | SAE |
| Part number | 310103 |
Shipping
Free shipping on orders over $99. Orders are stocked, picked and shipped from our warehouse in Fort Worth, Texas — orders placed on business days ship same-day wherever possible.
Lifetime warranty
Teng Tools hand tools are backed by a lifetime warranty against manufacturing defects. Screwdriver bits and socket bits are consumables and are guaranteed to meet dimensional standards. Torque wrenches and air tools can be serviced and recalibrated on request — contact us to arrange it.
Returns
Not right for the job? Contact us within 30 days of delivery and we'll sort out a return or exchange. Tools must be unused and in their original packaging. Warranty claims are handled separately — a defective tool is our problem, not yours.
Pourquoi Teng Tools ?
Swedish Design Since 1985
Trusted in 30+ countries. Designed in Sweden, built to ISO and DIN standards.
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US warehouse in Fort Worth, so orders move fast. TAA approved for government and defense.
Lifetime Warranty
Something goes wrong? Send a photo and your order number — same-day shipping on replacements.
The Devil Is in the Detail
Satin-finish wrenches, through-blade screwdrivers, heavy-gauge storage — built to last.