The Stainless Steel Cup Point Grub Screw (DIN 916) is a headless screw with an internal hex drive (Allen) and a cup-shaped point at the end.
The cup point provides a secure, high-torque grip on the mating surface, making it ideal for permanent or semi-permanent assemblies.
Manufactured from SS304 (A2) and SS316 (A4), these screws offer excellent corrosion resistance, high strength, and durability, widely used in machinery, automotive, marine, and engineering applications.
📏 Standard: DIN 916 / ISO 4029
🔘 Head Type: Headless (Grub Screw)
🔑 Drive Type: Internal Hex (Allen)
⚙ Point Style: Cup Point – provides strong surface penetration & grip
💪 Grades Available: SS304 (A2), SS316 (A4)
📐 Diameter Range: M3 to M24
📦 Length Range: 3mm to 100mm
🌊 Corrosion Resistance: Excellent, even in marine environments
⚡ Special Feature: High torque capability & vibration resistance
Specification Details Standard DIN 916 / ISO 4029 Material Stainless Steel SS304 / SS316 Head Style Headless (Set / Grub Screw) Drive Type Internal Hex (Allen) Point Style Cup Point Diameter Range M3 – M24 Length Range 3mm – 100mm Strength Class A2-70 / A4-70 Surface Finish Natural / Polished / Passivated
| Datasheet Title | Download |
|---|---|
| MATRIC SERIES | |
| SS304 CUP POINT GRUB SCREW DIN-916 OR ISO-4029 R4C40 | Download |
| SS316 CUP POINT GRUB SCREW DIN-916 OR ISO-4029 R6C40 | Download |
| UNC SERIES | |
| SS304 CUP POINT GRUB SCREW ASME B18.3.4 UNC R4C40u | Download |
| SS316 CUP POINT GRUB SCREW ASME B18.3.4 UNC R6C40u | Download |
| UNF SERIES | |
| SS304 CUP POINT GRUB SCREW ASME B18.3.4 UNF R4C40v | Download |
| SS316 CUP POINT GRUB SCREW ASME B18.3.4 UNF R6C40v | Download |
✔ Machinery & Equipment Assembly
✔ Automotive & Aerospace Engineering
✔ Gear, Pulley & Shaft Fixing
✔ Electronics & Precision Instruments
✔ Marine & Offshore Installations
✔ Industrial & Mechanical Fastening
✨ Manufactured as per DIN 916 / ISO 4029 international standards
✨ Cup point ensures secure locking with high grip
✨ Headless design allows flush and concealed installation
✨ Corrosion & rust resistant – long-lasting performance
✨ Available in M3–M24 sizes, 3mm–100mm lengths
✨ Suitable for vibration-prone & heavy-duty applications
The Stainless Steel Dog Point Grub Screw (DIN 915) is a headless fastener with an internal hex drive (Allen) and a dog point tip – a cylindrical extension that fits precisely into a mating hole or slot.
The dog point design ensures accurate alignment, positive engagement, and secure fixing, making it ideal for rotating parts, machinery, and precision assemblies.
Manufactured from SS304 (A2) and SS316 (A4), these screws combine strength, durability, and excellent corrosion resistance, suitable for industrial, automotive, marine, and mechanical applications.
📏 Standard: DIN 915 / ISO 4028
🔘 Head Type: Headless (Grub Screw)
🔑 Drive Type: Internal Hex (Allen)
⚙ Point Style: Dog Point – cylindrical extension for positioning & engagement
💪 Grades Available: SS304 (A2), SS316 (A4)
📐 Diameter Range: M3 to M24
📦 Length Range: 3mm to 100mm
🌊 Corrosion Resistance: Excellent, even in harsh & marine environments
⚡ Special Feature: Ensures precise alignment and secure locking
Specification Details Standard DIN 915 / ISO 4028 Material Stainless Steel SS304 / SS316 Head Style Headless (Set / Grub Screw) Drive Type Internal Hex (Allen) Point Style Dog Point (Cylindrical End) Diameter Range M3 – M24 Length Range 3mm – 100mm Strength Class A2-70 / A4-70 Surface Finish Natural / Polished / Passivated
✔ Gears, Pulleys & Couplings
✔ Precision Machinery & Equipment
✔ Automotive & Aerospace Components
✔ Marine & Offshore Engineering
✔ Robotics & Automation Systems
✔ Industrial Machinery with Alignment Requirements
✨ Manufactured as per DIN 915 / ISO 4028 international standards
✨ Dog point ensures precise alignment & positioning
✨ Headless design for flush, concealed installation
✨ High corrosion resistance – perfect for outdoor & marine use
✨ Available in M3–M24 sizes, 3mm–100mm lengths
✨ Suitable for high-precision & load-bearing applications
The Stainless Steel Cone Point Grub Screw (DIN 914) is a headless fastener with an internal hex drive (Allen) and a sharp cone-shaped point.
The cone point design penetrates the surface of the mating material, ensuring maximum grip, strong locking, and resistance to loosening under vibration.
Manufactured in SS304 (A2) and SS316 (A4), these screws offer high strength, excellent corrosion resistance, and long service life, making them suitable for mechanical assemblies, automotive, marine, and industrial machinery.
📏 Standard: DIN 914 / ISO 4027
🔘 Head Type: Headless (Grub Screw)
🔑 Drive Type: Internal Hex (Allen)
⚙ Point Style: Cone Point – sharp tip for secure penetration & locking
💪 Grades Available: SS304 (A2), SS316 (A4)
📐 Diameter Range: M3 to M24
📦 Length Range: 3mm to 100mm
🌊 Corrosion Resistance: Excellent – ideal for outdoor & marine use
⚡ Special Feature: Best for high torque & vibration-prone assemblies
Specification Details Standard DIN 914 / ISO 4027 Material Stainless Steel SS304 / SS316 Head Style Headless (Set / Grub Screw) Drive Type Internal Hex (Allen) Point Style Cone Point (Sharp Tip) Diameter Range M3 – M24 Length Range 3mm – 100mm Strength Class A2-70 / A4-70 Surface Finish Natural / Polished / Passivated
✔ Securing collars, pulleys & gears on shafts
✔ Machinery & Equipment Assembly
✔ Automotive & Aerospace Components
✔ Marine & Offshore Engineering
✔ Robotics & Automation Systems
✔ Heavy-duty Mechanical Fastening
✨ Manufactured as per DIN 914 / ISO 4027 international standards
✨ Cone tip ensures maximum grip & locking strength
✨ Headless design for flush & hidden fastening
✨ Rust & corrosion resistant for long-lasting performance
✨ Available in M3–M24 sizes, 3mm–100mm lengths
✨ Suitable for high torque, load-bearing & vibration-heavy applications
The Stainless Steel Slotted Cone Point Grub Screw – DIN 553 is a precision-engineered headless set screw designed to securely lock components onto shafts without the use of a nut. Its cone point penetrates the mating surface to provide a strong, permanent holding action and precise positioning, making it ideal for applications where maximum holding power is required.
Featuring a slotted drive for easy installation with a flat-blade screwdriver, the screw is manufactured from SS304 (A2) and SS316 (A4) stainless steel, offering excellent corrosion resistance, durability, and long service life. It is widely used in machinery, automotive assemblies, power transmission systems, industrial equipment, and marine applications.
📏 Type: Headless Set Screw / Grub Screw
📐 Standard: DIN 553
🔘 Point Style: Cone Point
⚙ Drive Type: Slotted Drive
⚙ Material Grades: Stainless Steel SS304 (A2) / SS316 (A4)
💪 Strength Class: A2-70 / A4-70
🌊 Corrosion Resistance: Excellent – suitable for indoor, outdoor & marine environments
🛠 Installation: Flat-Blade Screwdriver
📦 Size Range: M2 – M16 (larger sizes available on request)
Specification Details Product Type Slotted Cone Point Grub Screw Standard DIN 553 Material Stainless Steel SS304 / SS316 Head Style Headless Drive Type Slotted Point Type Cone Point Thread Type Metric Coarse Thread Surface Finish Natural / Passivated Installation Tool Flat-Blade Screwdriver Function Shaft Locking & Component Positioning
✔ Shaft and hub assemblies
✔ Pulleys, gears & sprockets
✔ Couplings & collars
✔ Electric motors & gearboxes
✔ Industrial machinery & equipment
✔ Pumps, valves & compressors
✔ Marine equipment & offshore applications
✔ Precision mechanical assemblies
✨ Strong Holding Power – cone point provides positive shaft engagement
✨ Compact Headless Design – installs flush within threaded holes
✨ Excellent Corrosion Resistance – ideal for harsh industrial and marine environments
✨ Reliable Locking Performance – minimizes loosening under vibration
✨ Precision DIN 553 Manufacturing – consistent dimensions and thread accuracy
✨ Wide Range of Sizes – suitable for diverse engineering applications
The Stainless Steel Flat Point Grub Screw (DIN 913) is a headless fastener with an internal hex drive (Allen) and a flat tip at the end.
The flat point design provides strong surface contact without damaging the mating part, making it ideal for repeated adjustments, secure clamping, and soft surface applications.
Manufactured in SS304 (A2) and SS316 (A4), these screws offer corrosion resistance, durability, and strength, widely used in machinery, electronics, automotive, and precision equipment.
📏 Standard: DIN 913 / ISO 4026
🔘 Head Type: Headless (Grub Screw)
🔑 Drive Type: Internal Hex (Allen)
⚙ Point Style: Flat Point – distributes pressure evenly without surface penetration
💪 Grades Available: SS304 (A2), SS316 (A4)
📐 Diameter Range: M3 to M24
📦 Length Range: 3mm to 100mm
🌊 Corrosion Resistance: Excellent, suitable for marine & outdoor use
⚡ Special Feature: Ideal for adjustable & non-damaging fastening
Specification Details Standard DIN 913 / ISO 4026 Material Stainless Steel SS304 / SS316 Head Style Headless (Set / Grub Screw) Drive Type Internal Hex (Allen) Point Style Flat Point Diameter Range M3 – M24 Length Range 3mm – 100mm Strength Class A2-70 / A4-70 Surface Finish Natural / Polished / Passivated
✔ Precision Instruments & Electronics
✔ Clamping & Positioning Components
✔ Machinery & Equipment Fastening
✔ Automotive & Aerospace Engineering
✔ Marine & Offshore Installations
✔ Assemblies Requiring Frequent Adjustments
✨ Manufactured as per DIN 913 / ISO 4026 international standards
✨ Flat point ensures non-damaging secure contact
✨ Headless design for flush & concealed fastening
✨ Rust & corrosion resistant – suitable for long-term use
✨ Available in M3–M24 sizes, 3mm–100mm lengths
✨ Best for adjustable, precision, and vibration-prone applications
The Stainless Steel Slotted Flat Point Grub Screw – DIN 551 is a precision-engineered headless set screw designed to securely position and lock components onto shafts, collars, pulleys, gears, and hubs without requiring a nut. It features a flat point that provides a broad contact surface, allowing secure holding without damaging or penetrating the mating component.
The slotted drive enables easy installation using a standard flat-blade screwdriver, while the headless design allows the screw to sit flush or below the surface after installation. DIN 551 specifies slotted set screws with a flat chamfered point and is internationally equivalent to ISO 4766.
Manufactured from Stainless Steel SS304 (A2) and SS316 (A4), these grub screws provide excellent corrosion resistance, durability, and long service life, making them suitable for industrial, marine, food processing, automation, and precision engineering applications.
📏 Type: Headless Set Screw / Grub Screw
📐 Standard: DIN 551 / ISO 4766
🔘 Point Style: Flat Point
🔑 Drive Type: Slotted
⚙ Material Grades: Stainless Steel SS304 (A2) / SS316 (A4)
💪 Strength Class: A2-70 / A4-70
🌊 Corrosion Resistance: Excellent – suitable for indoor, outdoor & marine environments
🛠 Installation: Flat-Blade Screwdriver
📦 Size Range: M3 – M24
📏 Length Range: 3 mm – 100 mm (varies by diameter)
Specification Details Product Type Slotted Flat Point Grub Screw Standard DIN 551 / ISO 4766 Material Stainless Steel SS304 (A2) / SS316 (A4) Head Style Headless Drive Type Slotted Point Type Flat Point Thread Type Metric Coarse Thread Strength Class A2-70 / A4-70 Surface Finish Natural / Passivated Installation Tool Flat-Blade Screwdriver Function Shaft Locking & Component Positioning
✔ Shaft collars & couplings
✔ Gears & sprockets
✔ Pulleys & timing pulleys
✔ Electric motors & gearboxes
✔ Bearings & bushings
✔ Industrial machinery
✔ Automation & robotics
✔ Pumps & valves
✔ Marine equipment
✔ Food processing machinery
✔ Medical equipment
✔ Precision engineering assemblies
✨ Flat Point Design – provides secure holding without damaging the shaft or mating surface.
✨ Easy Adjustment – flat point allows repeated tightening and repositioning with minimal surface wear.
✨ Headless Construction – installs flush or below the surface for compact assemblies.
✨ Excellent Corrosion Resistance – available in SS304 and SS316 for demanding industrial and marine environments.
✨ Precision Manufactured – conforms to DIN 551 / ISO 4766 dimensions for reliable fit and consistent performance.
✨ Long Service Life – durable stainless steel construction ensures maintenance-free operation.
The Stainless Steel Torx 6-Lobe Flat Point Grub Screw – DIN 34827 is a precision-engineered headless set screw designed for secure positioning and locking of gears, pulleys, collars, hubs, couplings, and other rotating components on shafts. It features an internal Torx (6-Lobe) drive that provides superior torque transmission with minimal cam-out, ensuring accurate tightening and easy removal.
The flat point provides a broad contact surface that securely locks components in position without damaging or penetrating the shaft, making it ideal for assemblies requiring repeated adjustment or repositioning.
DIN 34827 specifies hexalobular (Torx) socket set screws in flat point, cone point, dog point, and cup point configurations for metric thread sizes M3 to M24. These screws are not intended for tensile loading, but are designed specifically for locking and positioning applications.
Manufactured from Stainless Steel SS304 (A2) and SS316 (A4), these grub screws provide excellent corrosion resistance, high durability, and long service life, making them suitable for industrial, marine, food processing, automation, and precision engineering applications.
📏 Type: Headless Set Screw / Grub Screw
📐 Standard: DIN 34827
🔘 Point Style: Flat Point
🔑 Drive Type: Internal Torx (6-Lobe)
⚙ Material Grades: Stainless Steel SS304 (A2) / SS316 (A4)
💪 Strength Class: A2-70 / A4-70
🌊 Corrosion Resistance: Excellent – suitable for indoor, outdoor & marine environments
🛠 Installation: Torx Key / Torx Bit
📦 Thread Size Range: M3 – M24
📏 Length Range: 3 mm – 100 mm (varies by diameter)
Specification Details Product Type Torx 6-Lobe Flat Point Grub Screw Standard DIN 34827 Material Stainless Steel SS304 (A2) / SS316 (A4) Head Style Headless Drive Type Internal Torx (6-Lobe) Point Type Flat Point Thread Type Metric Coarse Thread Strength Class A2-70 / A4-70 Surface Finish Natural / Passivated Installation Tool Torx Driver / Torx Bit Function Shaft Locking & Component Positioning
✔ Shaft collars & couplings
✔ Gears & sprockets
✔ Timing pulleys & belt drives
✔ Electric motors & gearboxes
✔ Bearings & bushings
✔ Industrial machinery
✔ Automation & robotics
✔ Pumps & valves
✔ Marine & offshore equipment
✔ Food processing machinery
✔ Medical equipment
✔ Precision engineering assemblies
✨ Torx 6-Lobe Drive – provides superior torque transfer with reduced cam-out compared to slotted or hex drives.
✨ Flat Point Design – offers secure holding without damaging the shaft, making it ideal for repeated adjustments.
✨ Headless Construction – installs flush or below the surface for compact, clean assemblies.
✨ Excellent Corrosion Resistance – available in SS304 and SS316 for demanding industrial, food processing, and marine environments.
✨ Precision Manufactured – produced to DIN 34827 specifications for accurate dimensions and consistent thread quality.
✨ Long Service Life – durable stainless steel construction ensures reliable, maintenance-free performance.