Bosch Extra Hard Double-Ended Screwdriver Bit Set
The Bosch Extra Hard Double-Ended Screwdriver Bit Set features S2 Modified Steel and optimised heat treatment for extra-hard quality and durability . The tapered torsion zone absorbs force and vibrations, coping easily with torque peaks . The 1/4″ hex shank provides maximum torque transmission in three-jaw chucks and 1/4″ internal hex tool holders . The 65mm length provides a good balance between reach and manoeuvrability . Supplied in a 10-piece set with PH2/PH2 tips. Part number: 2608521039. Country of Origin: Taiwan . Suitable for carpenters, joiners, furniture assemblers, and construction professionals.
Table of Contents
ToggleBosch Extra Hard Double-Ended Screwdriver Bit Set
PRIMARY USES
1. Versatile Screwdriving with Double-Ended Efficiency
Primary Use: A set of 10 Extra Hard double-ended screwdriver bits (PH2/PH2 tips, 65mm length, 1/4″ hex shank) used for universal screwdriving with screwdrivers, drill drivers, and impact drivers. Essential for furniture assembly, cabinet making, joinery, and general construction applications.
How it helps: For carpenters, joiners, furniture assemblers, and construction professionals, the double-ended design offers increased versatility and convenience by allowing users to switch between two identical PH2 bits without needing to change them, saving time and effort . The S2 Modified Steel and optimised heat treatment process results in extra-hard quality for adequate performance in all tasks . The tapered torsion zone copes easily with torque peaks as it absorbs force and vibrations when screwdriving, extending bit life . The 65mm length provides a good balance between reach and manoeuvrability, making it suitable for various drilling and driving tasks .
2. Furniture and Cabinet Assembly
Primary Use: Drives Phillips screws into wood for furniture assembly, cabinet installation, and joinery work.
How it helps: The extra-hard S2 Modified Steel construction ensures the bit maintains its shape even under heavy use, preventing cam-out and damage to screw heads. The 65mm length provides access to screws in recessed areas while maintaining control. The PH2 size is the most common Phillips head size, suitable for the majority of wood screws used in furniture and cabinet construction.
SECONDARY USES
1. General Construction: Drives screws in framing, decking, and structural applications.
2. Joinery and Carpentry: Drives screws for timber joints, frames, and structural connections.
3. DIY and Home Improvement: Drives screws for shelving, curtain rails, and general household projects.
4. Professional Trades: Suitable for electricians, plumbers, and general contractors for screwdriving tasks on site.
1. BASIC IDENTIFICATION ATTRIBUTES
-
Device Type: Screwdriver bit; not a medical device.
-
Designation: Bosch Extra Hard Double-Ended PH2 Screwdriver Bit Set
-
Order Number: 2608521039
-
Tip Type: PH2/PH2 (Phillips No. 2, double-ended)
-
Length: 65mm
-
Shank Type: 1/4" Hex
-
Material: S2 Modified Steel
-
Pack Quantity: 10 pieces
-
Country of Origin: Taiwan
2. TECHNICAL & PERFORMANCE PROPERTIES
-
Primary Action: Screwdriving via Phillips head bits and hex shank.
-
Material: S2 Modified Steel for extra-hard quality
-
Heat Treatment: Optimised process for adequate performance
-
Torsion Zone: Tapered design copes easily with torque peaks
-
Shank: 1/4" Hex for maximum torque transmission
-
Design: Double-ended for extended bit life and versatility
-
Compatibility: Fits tools of most brands
-
Application: Universal screwdriving with screwdrivers, drill drivers, and impact drivers
3. PHYSICAL & OPERATIONAL PROPERTIES
-
Preparation: Insert the bit into the drill driver, screwdriver, or impact driver chuck and tighten securely.
-
Usage Instructions: Position the bit into the Phillips screw head. Apply steady pressure and drive the screw at appropriate speed. The torsion zone absorbs vibrations for extended bit life. When one end wears out, flip the bit to use the other PH2 tip.
-
Storage Conditions: Store in a dry place. Keep in the supplied packaging to prevent loss and damage.
-
Cleaning: Clean bits after use with a soft cloth. Remove debris from the tips.
4. SAFETY & COMPLIANCE ATTRIBUTES
-
Safety Classification: Screwdriver bit; no laser or electrical hazards.
-
Material Safety: S2 Modified Steel construction
-
Packaging: Combined carton/plastic packaging, blister pack
-
Regulatory: Complies with relevant safety standards.
-
Warranty: 1 year guarantee
5. STORAGE & HANDLING ATTRIBUTES
-
Storage: Store in a dry, secure place. Keep in the supplied packaging to prevent loss and damage.
-
Inspection: Regularly inspect bits for wear or damage. Replace worn bits to prevent cam-out and screw damage.
-
Usage: Use appropriate speed and pressure for the screw size and material. Do not exceed recommended torque limits.
1. SAFETY PRECAUTIONS
Operational Safety: Always wear safety glasses when using power tools. Ensure the bit is securely tightened in the chuck before use. Do not wear loose clothing or gloves that could become entangled in the tool.
Tool Safety: Use the correct bit size for the screw head. Worn or damaged bits can cause cam-out and damage to screw heads. Allow bits to cool between uses.
Maintenance: Clean bits after use. Do not use aggressive cleaning agents. Store in a dry place to prevent rust.
Training requirement: No specialised training required. Basic instruction on proper bit selection and tool operation is recommended.
2. FIRST AID MEASURES
Eye Exposure: Not applicable for normal use.
Skin Contact: Not applicable for normal use.
Inhalation: Not applicable for normal use.
3. FIRE FIGHTING MEASURES
Flammability: The bits themselves are not flammable. Packaging may burn if exposed to fire.
Extinguishing Media: Use water spray, foam, dry chemical powder, or carbon dioxide (CO₂) for fires involving packaging.
Fire Response: In event of fire, evacuate the area and call emergency services. Use appropriate extinguishers.
Related products
Ball Point Hex Wrench Set – Short
A Ball Point Hex Wrench Set - Short refers to a collection of nine hexagonal (hex) wrenches, commonly known as Allen wrenches, designed with a ballpoint tip for easy access and angled entry into hexagonal socket screws. The term "short" indicates that these wrenches have shorter shafts compared to standard-sized wrenches. This set is likely to be compact and versatile, suitable for various applications where hex screws of different sizes need to be tightened or loosened efficiently. The ballpoint tips allow for a degree of flexibility in the angle of approach, making them particularly useful in situations where direct access may be challenging.
C Clamp Locking Pliers
A C clamp locking pliers, often simply referred to as locking pliers or Vise-Grips (a popular brand name), is a versatile hand tool designed for gripping, clamping, and holding objects securely. The tool features an adjustable locking mechanism that allows it to maintain a constant grip force on the object, freeing the user's hands for other tasks. The jaws of the pliers are shaped like a C-clamp, providing a strong and secure grip on various shapes and sizes of objects. This makes C clamp locking pliers particularly useful in situations where a stable hold is required, such as in woodworking, metalworking, automotive repair, and general DIY applications.
Carpenter’s Pincers
Carpenter's pincers, also known as end-cutting pliers or end nippers, are a type of hand tool used in carpentry and woodworking. They typically have sharp, pointed jaws that come together in a cutting edge at the tips. These pincers are designed for gripping, cutting, and pulling materials such as nails, wires, or small objects in woodworking applications. The jaws are angled to provide leverage and facilitate precise cutting or gripping in tight spaces. Carpenter's pincers are a versatile tool commonly found in a carpenter's toolkit for various tasks related to shaping and assembling wood.
Double – End Bits Set
A Double - End Bits Set typically refers to a collection of interchangeable tool bits designed for use with screwdrivers, power drills, or similar tools. Each bit in the set has two distinct ends with different types or sizes of tips, allowing the user to perform various tasks without needing multiple individual bits. These sets often include a variety of common bit types, such as Phillips, slotted, Torx, or hex, providing versatility for different screw and fastener types. The double-ended design allows users to flip the bit and switch between different tips easily, making it a convenient and space-saving solution for various applications.
Fiberglass Open Reel Long Tape Rule
A Fiberglass Open Reel Long Tape Rule is a measuring tool designed for accurately determining distances in various applications, such as construction, surveying, and landscaping. It typically consists of a durable, flexible fiberglass tape housed on an open reel. The fiberglass material provides strength and resistance to stretching, ensuring precise measurements over extended lengths. The open reel design allows for easy deployment and retraction of the tape, facilitating efficient use in outdoor and large-scale measurement scenarios. These tapes often feature clear and legible markings, making them suitable for both personal and professional use in situations where accurate and reliable distance measurements are essential.
Flat Cold Chisel with Guard
A Flat Cold Chisel with Guard is a hand tool designed for cutting, shaping, or removing metal by striking it with a hammer. The chisel has a flat, elongated metal blade with a sharp cutting edge at one end. The guard, often made of metal or another protective material, is positioned along the sides of the blade to enhance safety during use. This guard helps prevent accidental injuries by shielding the user's hand from direct contact with the sharp edge and also provides stability to the chisel during striking. The flat cold chisel with a guard is commonly used in metalworking and construction applications.
Flat Head Hex Wrench Set – Short
A Flat Head Hex Wrench Set - Short comprises a collection of seven individual wrenches, each equipped with a flat, straight head and a hexagonal shape at the opposite end. These hex wrenches are specifically designed to engage with and manipulate bolts and screws featuring hexagonal sockets. The set typically includes various sizes, allowing users to select the appropriate wrench for a wide range of applications, making it a versatile and essential tool for tasks that involve assembly, maintenance, or repair work across different industries and settings.
Flat Wood File
A flat wood file is a hand tool used for shaping, smoothing, and refining the surfaces of wood. It typically consists of a flat, narrow, rectangular piece of metal with a series of parallel, coarse teeth or ridges along one or both of its sides. These teeth are designed to efficiently remove material when drawn across the wood grain, allowing for the leveling and smoothing of wooden surfaces. Flat wood files are commonly used in woodworking and carpentry for tasks such as shaping edges, refining contours, and removing rough spots on wood surfaces.

Acrylic Sealants
Construction Adhesives
Double-Sided Tape
Duct Tape
Electrical Tape
Epoxy & Resins
Masking Tape
Automotive Wrenches & Socket Sets
Battery Chargers & Jump Starters
Car Jacks & Stands
Car Wash & Detailing Products
Diagnostic Tools
Tire Inflators
Vehicle Lighting
Oil & Lubricants
Adhesives & Sealants
Bricks & Blocks
Cement & Concrete
Drywall & Plaster
Flooring (Tiles, Wood, Laminate)
Lumber & Plywood
Paints, Primers & Coatings
Insulation Materials
Roofing Materials
Circuit Breakers
Electrical Cables & Wires
Switches & Sockets
Fuses & Relays
Connectors & Terminals
Electrical Boxes & Panels
Conduit & Fittings
Lighting Fixtures & Bulbs
Extension Cords & Power Strips
Anchors
Bolts
Clips & Clamps
Screws
Nuts
Washers
Rivets
Nails
Threaded Rods
Hammers
Measuring Tools (Tapes, Levels, Calipers)
Screwdrivers
Pliers & Cutters
Saws & Blades
Chisels & Punches
Allen Keys & Hex Keys
Ratchets & Socket Sets
Wrenches & Spanners
Power Tool Accessories (Blades, Bits, Discs)
Rotary Tools
Saws (Circular, Jigsaw, Reciprocating)
Drills & Drivers
Grinders & Sanders
Heat Guns
Nail Guns
Impact Wrenches
Batteries & Chargers
Pipes & Fittings (PVC, Copper, PEX)
Plumbing Tools
Pumps & Motors
Sealants & Adhesives for Plumbing
Valves & Taps
Water Heaters
Drainage Systems
Faucets & Fixtures
Hoses & Tubing
Hinges & Latches
Hooks & Brackets
Window Hardware
Chains & Cables
Casters & Wheels
Shelving & Storage Systems
Door Handles & Locks
Drawer Slides & Cabinet Hardware
Personal Protective Equipment (PPE)
Respirators & Masks
Safety Glasses
Safes
Security Cameras
Gloves
Helmets
Ear Protection
Fire Safety Equipment
Locks & Padlocks
Motion Sensors & Alarms
Garden Fencing
Garden Furniture Hardware
Lawn Mowers
Trimmers & Edgers
Shovels & Spades
Rakes & Hoes
Pruning Shears & Loppers
Watering Systems (Hoses, Sprinklers, Nozzles)
Interior Paints
Paint Brushes & Rollers
Paint Strippers & Thinners
Paint Trays & Accessories
Exterior Paints
Spray Paints
Primers & Undercoats
Varnishes & Stains
Gaskets & Seals
Hydraulic Fittings
Industrial Fasteners
Industrial Hoses
Lubricants & Greases
Metal Sheets & Bars
Bearings & Bushings
Belts & Pulleys
HVAC Filters
Insulation for HVAC
Air Conditioners
Refrigerants
Ventilation Ducts & Fittings
Thermostats & Controllers
Fans & Blowers
Pegboards & Hooks
Shelving Units
Storage Bins & Containers
Toolboxes & Tool Chests
Workbenches
Drawer Organizers
Labeling Supplies
Welding Accessories (Clamps, Brushes)
Welding Electrodes & Rods
Welding Helmets & Gloves
Welding Machines
Soldering Irons & Stations
Flux & Solder Wire
Generator Accessories
Inverters
Portable Generators
Power Inverters
Transfer Switches
Diesel & Gasoline Generators
Transport Equipment: Carts, Dollies, and Hand Trucks
Storage Solutions: Pallets, Racks, and Containers
Lifting Equipment: Hoists, Cranes, and Jacks
Conveyors & Accessories: Belts & Rollers
Office Chairs