Product Description
W07540 Bit Socket Set features 42 pieces of professional bit sockets designed for the 10mm (3/8″) drive series. The set covers three bit types — Torx (T20-T60), Hex (H4-H12), and Multi-Spline (M5-M12) — with each type available in both 30mm short and 75mm long lengths, paired with 1/2″ and 3/8″ adapter sockets. This configuration meets screw fastening needs across scenarios from precision electronics to heavy machinery. Bits are forged from S2 tool steel with hardness exceeding standard Cr-V steel, offering superior anti-strip performance and extended service life. The ideal choice for auto repair, mechanical maintenance, industrial assembly, and DIY users.
Key Features
- S2 Tool Steel Material: Forged from premium S2 steel with HRC58-62 hardness, significantly higher than standard Cr-V steel — stronger torsional resistance, anti-strip, and notably longer service life
- 42-Piece Three-Type Complete Set: Torx, Hex, and Multi-Spline bit types fully covered
- 30mm + 75mm Dual-Length Configuration: Each bit type comes in both short (30mm) and long (75mm) versions — short for open spaces, long for reaching into confined areas
- 16-Piece Torx Bit Set: T20/T25/T30/T40/T45/T50/T55/T60, 2 pieces each (30mm + 75mm), covering mainstream Torx screw sizes
- 14-Piece Hex Bit Set: H4/H5/H6/H7/H8/H10/H12, 2 pieces each (30mm + 75mm), for various hex spline screws
- 10-Piece Multi-Spline Bit Set: M5/M6/M8/M10/M12, 2 pieces each (30mm + 75mm), for special multi-spline screws
- Two Adapter Sockets: 1/2″ and 3/8″ drive adapter sockets compatible with two mainstream drive specifications — one bit set, multiple uses
- 42-Piece Lean & High-Value: Focused on three core bit types with dual-length configuration — no low-frequency redundant tools, every piece delivers practical value
Specifications
| Item | Details |
|---|---|
| Item No. | W 07540 |
| Total Pieces | 42 pcs |
| Drive Series | 10mm(3/8″) |
| Material | S2 Tool Steel |
Tool List
| Type | Length | Size | Qty |
|---|---|---|---|
| Torx Bit Sockets | 30mm | T20,T25,T30,T40,T45,T50,T55,T60 | 8 pcs |
| Torx Bit Sockets | 75mm | T20,T25,T30,T40,T45,T50,T55,T60 | 8 pcs |
| Hex Bit Sockets | 30mm | H4,H5,H6,H7,H8,H10,H12 | 7 pcs |
| Hex Bit Sockets | 75mm | H4,H5,H6,H7,H8,H10,H12 | 7 pcs |
| Multi-Spline Bit Sockets | 30mm | M5,M6,M8,M10,M12 | 5 pcs |
| Multi-Spline Bit Sockets | 75mm | M5,M6,M8,M10,M12 | 5 pcs |
| Bit Socket Adapters | — | 1/2″,3/8″ | 2 pcs |
| Total | 42 pcs |
Packaging Information
| Item | Details |
|---|---|
| Packing per Box | 1 set/box |
| Packing per Carton | 10 sets/carton |
| Weight per Set | 2.13 kg |
| Gross Weight | 21.82 kg |
Applications
- Auto Repair: Torx bits for engine and chassis Torx screws; hex bits for hex spline bolts; multi-spline bits for special specification screws
- Mechanical Equipment Maintenance: 75mm long-reach bits access confined spaces inside machinery for screw removal and installation
- Industrial Assembly & Maintenance: S2 steel high-hardness bits withstand high-frequency industrial assembly, durable and anti-strip
- Home Appliance Repair: T20-T30 small Torx bits for appliance housing and internal precision screw work
- Electronic Equipment Installation: H4-H8 small hex bits for precision screws in electronic devices
- Bicycle/Motorcycle Repair: Torx and hex bits cover various screw specifications for bikes and motorcycles
- DIY Home Use: 42-piece moderate set with dual-length design, meeting daily household screw fastening needs
- Multi-Drive Compatibility: 1/2″ and 3/8″ adapter sockets enable bit use with different drive tools, expanding application scenarios
Why Choose Us
- Direct Factory Supply: Shangbang Tools owns its production lines, eliminating middlemen and saving you 15%-30% on procurement costs
- S2 Steel Premium Quality Bits: S2 tool steel instead of standard Cr-V steel, with higher hardness (HRC58-62), anti-strip performance, and 2-3x longer service life than ordinary bits
- Dual-Length Design: 30mm + 75mm two lengths each configured as a set — short for flexibility, long for deep reach — one set solves all depth requirements
- Three Bit Types Full Coverage: Torx, hex, and multi-spline three commonly used types complete — no need to purchase additional bit types separately
- Two Adapter Sockets: 1/2″ and 3/8″ dual adapter sockets enable one bit set to work with two mainstream drive specifications, improving tool utilization
- 42-Piece High Value: Focused on three core types with dual-length configuration — no low-frequency redundancy, every piece has practical value
- OEM/ODM Customization Support: Brand logo customization, packaging customization, and bit specification adjustments to meet differentiated market needs
- Reliable Supply Capacity: Standardized production processes ensure on-time delivery for bulk orders, supporting your business growth
FAQ
Q1: What is the difference between S2 steel and standard Cr-V steel?
A: S2 tool steel has superior carbon content and alloy composition compared to standard chrome vanadium steel. After heat treatment, S2 steel achieves HRC58-62 hardness, while Cr-V steel typically reaches HRC48-55. S2 steel bits have higher torsional strength, are more resistant to stripping and deformation, and last 2-3 times longer than standard Cr-V bits — especially suitable for high-frequency, high-torque applications.
A: S2 tool steel has superior carbon content and alloy composition compared to standard chrome vanadium steel. After heat treatment, S2 steel achieves HRC58-62 hardness, while Cr-V steel typically reaches HRC48-55. S2 steel bits have higher torsional strength, are more resistant to stripping and deformation, and last 2-3 times longer than standard Cr-V bits — especially suitable for high-frequency, high-torque applications.
Q2: What scenarios are the 30mm and 75mm lengths suited for?
A: The 30mm short bits are ideal for open spaces where screws are exposed, offering flexible operation and direct torque transfer. The 75mm long bits are designed for reaching into confined spaces (such as deep within engine compartments or machinery interiors) where short bits cannot reach.
A: The 30mm short bits are ideal for open spaces where screws are exposed, offering flexible operation and direct torque transfer. The 75mm long bits are designed for reaching into confined spaces (such as deep within engine compartments or machinery interiors) where short bits cannot reach.
Q3: What common applications do T20-T60 Torx bits cover?
A: T20-T30 are suitable for electronics, home appliances, bicycles, and other small screws; T40-T50 for medium-specification screws in auto engines, chassis, and machinery; T55-T60 for large Torx screws in heavy machinery and large equipment.
A: T20-T30 are suitable for electronics, home appliances, bicycles, and other small screws; T40-T50 for medium-specification screws in auto engines, chassis, and machinery; T55-T60 for large Torx screws in heavy machinery and large equipment.
Q4: What is the difference between multi-spline bits and hex bits?
A: Multi-spline bits have 12 contact surfaces compared to hex bits’ 6, providing more engagement points. This allows them to handle greater torque without slipping, making them ideal for high-torque special screws in automotive drivetrains and industrial equipment.
A: Multi-spline bits have 12 contact surfaces compared to hex bits’ 6, providing more engagement points. This allows them to handle greater torque without slipping, making them ideal for high-torque special screws in automotive drivetrains and industrial equipment.
Q5: How do the 1/2″ and 3/8″ adapter sockets work?
A: Connect one end of the adapter socket to the bit (10mm interface) and the other end to the corresponding drive specification (1/2″ or 3/8″) ratchet wrench or power tool. This allows the same bit set to work with different drive tool specifications.
A: Connect one end of the adapter socket to the bit (10mm interface) and the other end to the corresponding drive specification (1/2″ or 3/8″) ratchet wrench or power tool. This allows the same bit set to work with different drive tool specifications.
Q6: Can these bits be used with power tools?
A: Yes. When connected via the 1/2″ or 3/8″ adapter socket, they can be used with compatible manual ratchet wrenches or electric impact wrenches. However, it is recommended to control torque when using power tools to avoid exceeding the bit’s torque limit.
A: Yes. When connected via the 1/2″ or 3/8″ adapter socket, they can be used with compatible manual ratchet wrenches or electric impact wrenches. However, it is recommended to control torque when using power tools to avoid exceeding the bit’s torque limit.
Q7: Does the 42-piece set include a storage case?
A: This set comes in standard industrial packaging with bits neatly arranged in an insert tray. For custom branded color boxes or portable storage cases, please contact our sales team to discuss OEM/ODM options.
A: This set comes in standard industrial packaging with bits neatly arranged in an insert tray. For custom branded color boxes or portable storage cases, please contact our sales team to discuss OEM/ODM options.
Q8: What are the packing specifications and shipping weight?
A: 1 set per box, 10 sets per carton, 2.13 kg per set, 21.82 kg gross weight per carton. Standard export packaging suitable for sea freight, air freight, and land transportation.
A: 1 set per box, 10 sets per carton, 2.13 kg per set, 21.82 kg gross weight per carton. Standard export packaging suitable for sea freight, air freight, and land transportation.
