| Color: | Silver |
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| Folded: | Unfolded |
| Certification: | RoHS, CE, GS |
| Samples: |
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| Customization: |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier
| Drive Size | 1/4 inch |
| Point | Torx, Phillips, Slotted, Hexagon, Square, Spanner, Tri-wing, Pozi |
| Length | 25mm, 50mm |
| Material | S2 |
| Surface Treatment | Sandblasting, Manganese Phosphate |
| Type | Hex R Shank |
| Packaging | Tool Kit, Carton Boxes, Blisters, Sandwich Pack |
| Application | Manual Screwdriver, Electric Screwdriver |
| Customization | Acceptable |
| Brand | Union, OEM |
| Standard | DIN, ISO |
| Origin | China |
Screwdriver bits are interchangeable and removable tips that fit into the holders or chucks of screw-driving tools. They allow one handle or driver to be used with an assortment of bit types and sizes. Common driver bits include slotted, Phillips, Torx, hex, square, and specialty bit tips.
Uses:
Electric drills - Quick changing bits allow an electric drill to drive multiple screw types. Convenient for projects.
Bit drivers - Dedicated bit drivers provide storage for bits and quick changes. Good for repetitive tasks.
Magnetic drivers - Bits snap into magnetic bit holders for a secure hold and easy placement. Helpful in tight spaces.
Ratcheting drivers - Bits can be used with ratcheting drivers for speed and torque control. Useful for automation and assembly.
The variety of screwdriver bits available allows matching the right bit to the job. This ensures proper fit and driving without damage. Organizing bits by type and size provides easy access when needed.
Screwdriver bits deliver versatility, convenience, and productivity to screw-driving tasks. They are indispensable items for household, automotive, and workshop jobs. Investing in quality bits made of durable materials can save time, money, and frustration.
| Main Fastener Coating | |||
| Types | Application | Spray Test Hours | Characteristics |
| Mirror Nickel-plating | ALL Metal | 72Hours | Stable Excellent polishing performance Improve Wear resistance Wide range of applications |
| Matt Nickel-plating | ALL Metal | 72Hours | |
| Black Nickel-plating | ALL Metal | 48Hours | High absorption rate of solar energy Used in solar collector panels. |
| Manganese Phosphate | ALL Metal | 72Hours | Enhanced resistance |
| Sand Blast | ALL Metal | - | Remove paint, rust, and residue scratches or casting marks |
| Electrophoresis | ALL Metal | 1000Hours | Maintain metallic luster Anti-corrosion properties |
| Color Electroplating | ALL Metal | 96Hours | Improve mental strength Prevent metal oxidation |
| Steel Material Chemical Composition | ||||||||
| Types | C | Si | V | Cr | Mn | Ni | Mo | Characteristic |
| CR-MO | 0.18-0.23 | 0.15-0.35 | - | 0.40-0.60 | 0.90-1.20 | - | 0.13-0.20 | 41xx-series SAE steel grades Excellent strength-to-weight ratio Stronger and harder Not easily welded |
| CRV | 0.5 | 0.3 | 0.18 | 0.80-1.10 | 0.70-0.90 | - | - | 6000-series SAE steel grades Suitable for hardening Resist abrasion, oxidation, and corrosion Improve material elasticity |
| S2 | 0.40-0.55 | 0.90-1.20 | <0.50 | - | 0.30-0.50 | <0.30 | 0.30-0.60 | One of seven types of shock-resisting steels under the AISI Classification High strength High toughness Wear resistance High hardness Resistance to shock loading |
| 45# | 0.42-0.05 | 0.17-0.37 | - | ≤0.25 | 0.50-0.80 | ≤0.25 | - | Compared with A3, it has higher strength and resistance to deformation. |
| A3 | 0.95-1.05 | 0.10-0.50 | 0.15-0.50 | 4.75-5.50 | 0.40-1.00 | - | 0.90-1.40 | High-quality high carbon alloy tool steel |
Suppliers with verified business licenses
Audited Supplier 
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