Military
Sockets
Mumbai · India
Why an Internal Hex, Not an External Wrench
An external hex head needs open space around it for a wrench or socket to fit — space that a counterbored hole, a recessed pocket, or a tightly clustered fastener pattern simply doesn’t provide. A socket-drive fastener solves that directly: the entire drive mechanism sits inside the fastener’s own head or body, recessed flush or even below the surrounding surface, needing nothing more than a straight-in Allen key with no side clearance required at all.
That internal geometry also happens to transfer torque more efficiently for its size than most external drive styles, which is why socket head cap screws in particular are the standard choice wherever high clamping force is needed from a compact fastener — precision machine tooling, jig and fixture work, and defense equipment assembly where both space and load capacity matter simultaneously.
Akbar Fasteners Pvt. Ltd. exports to over 50 countries, and our socket-drive fastener range spans cap screws, set screws, and shoulder screws, verified by torque and dimensional testing under our ISO 9001:2015 quality system.
Where This Family Genuinely Applies
Works in Tight, Recessed Spaces
Needs only straight-in tool access, no side wrench clearance around the fastener head.
Efficient Torque-to-Size Ratio
Internal hex geometry transfers high clamping force from a compact fastener footprint.
Clean, Flush Finished Surface
Recessed installation keeps the surrounding surface clean and free of protruding hardware.
Verified Torque & Dimensional Precision
Batch testing confirms genuine socket fit and torque capacity, not just correct thread engagement.
The Socket-Drive Fastener Family
FF-S-107 Socket & Cap Screws
Our hex socket and hex cap screw specification for tensioned machine-part joints requiring high clamping force.
View FF-S-107 → Set ScrewsFF-S-92 Socket Set Screws
Our headless, point-driven socket set screw specification for shaft and collar locking applications.
View FF-S-92 → Shoulder ScrewsFF-S-86 Socket Shoulder Screws
Our precision-ground pivot and bearing screw specification with a socket-drive head.
View FF-S-86 →Cap vs Set vs Shoulder Screw
Each socket fastener type solves a genuinely different mechanical problem. This table is the quick reference we use with buyers before quoting.
| Aspect | Cap Screw | Set Screw | Shoulder Screw |
|---|---|---|---|
| Primary Function | Clamping two parts together | Locking a component to a shaft | Acting as a precision pivot |
| Head Style | Cylindrical head, threaded shank | Headless, fully threaded | Head plus unthreaded ground shoulder |
| Typical Use | Machine assembly, tensioned joints | Collar or gear shaft locking | Bearing or linkage pivot points |
Military Socket Specification Details
Materials We Manufacture In
- Alloy Steel Heat Treated, High Strength
- Corrosion-Resistant Steel 300 Series CRES
- Finish Black Oxide / Zinc / Passivated
- Custom Grades On Request
How Socket Fasteners Are Made
- Drive Style Internal Hex (Allen)
- Process Cold Forged / Machined
- Testing Torque / Dimensional
- Quality Batch Sampled
Available Dimensions
- Nominal Size #2 – 1″ (Inch Series)
- Metric Equivalent Available to Drawing
- Type Cap / Set / Shoulder
- Custom Sizes On Request
Application Areas
Wherever recessed installation, high torque, or precision pivot function genuinely matters.
Defense & Military Equipment
precision assembly needs
Precision Machine Tooling
compact fastening
Jig & Fixture Assembly
location and clamping
Aerospace Ground Support Equipment
ground equipment assembly
Motor & Gearbox Assembly
compact housing fastening
Marine Equipment Assembly
fastening in tight spaces
Robotics & Automation Equipment
compact clamping joints
General Precision Assembly
recessed, high-torque fastening
Standard Export Documentation
Prepared as standard practice for every military socket fastener shipment.
Mill Test Certificate (MTC)
Heat number, chemical composition, and mechanical property verification for every lot.
Torque Test Records
Batch-level testing confirming genuine torque capacity within specification for the ordered grade.
Certificate of Conformance
Confirms the shipment matches the purchase order type/material specification in full.
Certificate of Origin (COO)
Confirms India as country of manufacture for destination customs purposes.
NABL Accredited Test Reports
Independent mechanical and dimensional testing available on request for critical applications.
Commercial Invoice & Packing List
Itemized value, Incoterm, and detailed carton/weight breakdown for customs clearance.
Internationally Recognised Standards Coverage
Related Fastener Grades & Materials
FF-S-107 Socket & Cap Screws
Our hex socket and hex cap screw specification for tensioned joints.
View FF-S-107 →FF-S-92 Set Screws
Our headless, point-driven set screw specification for shaft-locking applications.
View FF-S-92 →FF-S-86 Shoulder Screws
Our precision-ground pivot and bearing screw specification.
View FF-S-86 →Fasteners Manufacturer & Exporter to the USA
Our broader capability manufacturing to ASTM/ASME and US federal/military standards.
View USA Export Guide →Need a Compact,
High-Torque Fastening Solution?
Tell us your application — clamping, shaft locking, or pivot — and we’ll confirm the right socket fastener type and quote across our full range. Akbar Fasteners Pvt. Ltd. responds within 24 hours.
Sales: +91 724 0000 733 · Support: +91 800 9315 333 · sales@akbarfasteners.in