- 🚚Shipped from a European warehouse
- 💶Final price — no customs or import fees within the EU
- ⚡Fast delivery: usually 2–3 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
Local order fulfillment
Regional fulfillment for more efficient delivery
Selected products can be shipped from our suppliers’ regional warehouses in Europe and the USA.
Supplier warehouses in Europe
including Germany · Netherlands · Poland
France · Spain · Italy
Supplier warehouses in the USA
Local fulfillment of selected products for customers in the United States.
International delivery
26 markets served.
Shipping availability depends on the destination country and product.