- 🚚Shipped from a European warehouse
- 💶Final price — no customs or import fees within the EU
- ⚡Fast delivery: usually 2–5 business days (depending on the country)
- 🔎Tracking after dispatch
- ↩️14-day returns (EU law)
- 🛡️24-month seller liability
- 💬Support before and after purchase
- ✅ Verified offer — matches the description
- 🧾Clear description and photos
- 🧩Easy variant selection
- 📦Secure packaging
- ⭐Good “for now” choice
1/2 inch Star, Hex, and Spline Socket Bit Set
This multi-piece 1/2-inch drive socket bit set is designed for engineering, mechanical, maintenance, and home use. Includes Star bits, tamper-resistant Star bits, Hex bits, Spline bits, adapters, and a precision screwdriver set.
The bits are 30 mm or 75 mm long. They are made of carbon steel and housed in a plastic case.
Technical specifications
- Type: socket bit set
- Drive size: 1/2 inch
- Drive type: Star
- Material: carbon steel
- Total number of bit set elements: 54
- Bit lengths: 30 mm and 75 mm
- Storage: plastic box
Size range
Star Bits - 14 pieces
- 30mm: T20, T25, T30, T40, T45, T50, T55
- 75mm: T20, T25, T30, T40, T45, T50, T55
Star Tamper-Proof Bits - 14 pcs
- 30mm: T20, T25, T30, T40, T45, T50, T55
- 75mm: T20, T25, T30, T40, T45, T50, T55
Hex Bits - 14 pieces
- 30 mm: H4, H5, H6, H7, H8, H10, H12
- 75 mm: H4, H5, H6, H7, H8, H10, H12
- Corresponding hex sizes: 4, 5, 6, 7, 8, 10 and 12 mm
Spline Bits - 10 pieces
- 30mm: M5, M6, M8, M10, M12
- 75mm: M5, M6, M8, M10, M12
Confirmed OEM/OE markings
There are no confirmed OEM/OE numbers for this product.
Helpful information before purchasing
This is a socket bit set for mechanical, maintenance, engineering, and home improvement projects. Before purchasing, check the required 1/2-inch drive type and the compatibility of the bit markings with the fastener being used. Adapters for 3/8-inch and 1/2-inch drives are also included.
The most important information
- Set includes Star, Tamper-proof Star, Hex and Spline bits.
- The bits are 30 mm or 75 mm long.
- Star sizes include T20–T55, and Hex H4–H12.
- The set includes 2 adapters for 3/8 inch and 1/2 inch drives.
- The items are stored in a plastic box.
Contents of the set
- 28 Star bits: standard and tamper-proof
- 14 bit Hex
- 10-bit Spline
- 2 adapters for 3/8 inch and 1/2 inch drive
- 1 set of 25-in-1 precision screwdrivers
- Plastic storage box
Frequently asked questions
How do I check if a part fits?
Check if you need socket bits with a 1/2" drive and that the required sizes are included: Star T20–T55, Hex H4–H12, or Spline M5–M12. You can also check the included adapters for 3/8" and 1/2" drive.
Is the product ready for assembly?
This is a tool kit, not a vehicle-mounted part. Before use, please select the correct bit, drive, and adapter for the job at hand.
Does the offer include a complete set?
The offer includes the items listed in the "Kit Contents" section, including 54 bits, 2 adapters and a 25-in-1 precision screwdriver set.
Why is it worth buying from Multigenus?
- Ships from European warehouse for selected offers
- Final price within the EU, excluding customs and import surcharges
- 14 days to return in accordance with EU law
- Pre- and post-purchase support
- The product is described in a way that makes it easier to choose the right variant