3/8" Drive Hex Bit Socket Metric
3/8" Drive Hex Bit Socket Metric
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This 3/8" drive 4 mm metric hex bit socket is suited for professional use on hex fasteners in automotive, electrical, and mechanical assemblies. With an overall length of 23 mm and a ball retention groove for secure drive engagement, it is compatible with sets TED3836, TTESK85, TTBS35, M3812, and TEDBS47.
Sizes & specifications
| Size | Part no. | Length | Weight |
|---|---|---|---|
| 3mm | M381503-C | 1.9" (49.5 mm) | 1.3 oz (38 g) |
| 4mm | M381504-C | 1.9" (49.5 mm) | 1.4 oz (40 g) |
| 5.5mm | M3815055-C | 1.9" (49.5 mm) | 1.6 oz (45 g) |
| 5mm | M381505-C | 1.9" (49.5 mm) | 1.6 oz (45 g) |
| 6mm | M381506-C | 1.9" (49.5 mm) | 1.7 oz (48 g) |
| 7mm | M381507-C | 1.9" (49.5 mm) | 1.7 oz (48 g) |
| 8mm | M381508-C | 1.9" (49.5 mm) | 1.7 oz (48 g) |
| 10mm | M381510-C | 1.9" (49.5 mm) | 1.8 oz (52 g) |
| 12mm | M381512-C | 1.9" (49.5 mm) | 1.9 oz (54 g) |
Lengths and weights in US units with metric in parentheses, straight from official Teng Tools data.
Specifications
| Drive size | 3/8" |
|---|---|
| Measurement standard | Metric |
| Part number | M381504-C |
Inside this socket
Sectional view through the socket wall, drawn to the published dimensions.
- 3 mm across flats
- 3/8" square drive
- 49.5 mm overall length
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.
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