DIN 99
Clamping Levers
Manufacturer Mumbai
What Is a DIN 99 Clamping Lever
Plenty of adjustment points on machinery and fixtures need to be locked and released constantly — a guard that opens for cleaning, a fixture stop that’s repositioned between job runs, a machine handle adjusted throughout a shift. Fastening these with a plain nut and bolt works, but it means reaching for a spanner every single time, and the lever ends up in a different rotational position after every adjustment. A DIN 99 clamping lever solves both problems at once.
The lever arm gives enough mechanical leverage to develop real clamping force by hand alone, no tool required. And critically, the internal mechanism — typically a ratchet tooth arrangement or a spring-loaded push-back cam — lets the operator lift the lever axially, disengage it from the locked position, and swing it back to a convenient starting angle without loosening the actual clamping thread underneath. Release the lever and it re-engages, ready to be tightened again from wherever it’s most comfortable to grab.
Akbar Fasteners Pvt. Ltd. manufactures DIN 99 clamping levers in-house at our Mumbai facility, under ISO 9001:2015, with full mill test documentation, and exports this range to over 50 countries.
Where DIN 99 Levers Genuinely Earn Their Place
Repeatable, Reset-Without-Loosening Action
Lift, swing to a new angle, and re-engage — the lever returns to a convenient position without unthreading the actual clamping stud.
Real Clamping Force by Hand
The lever’s geometry provides genuine mechanical leverage, developing meaningful clamping torque without needing a wrench at all.
Full Dimension Reference
A published thread size and lever length chart lets you match the correct lever to your assembly’s access and torque requirement.
Wide Material & Finish Choice
Steel and stainless steel construction available across the full thread range, in bulk quantities for OEM assembly needs.
DIN 99 Clamping Lever Dimension Chart
Standard nominal dimensions by thread size — lever arm length and thread diameter are the two figures that determine how much clamping torque a given lever can realistically develop by hand, and whether it clears the surrounding assembly when swung through its full arc. Stud length is selected to suit your specific clamping depth and is supplied to drawing.
| Thread Size (d) | Lever Length | Lever Width | Boss Diameter | Typical Max Torque |
|---|---|---|---|---|
| M5 | 40 mm | 10 mm | 14 mm | ~2 Nm |
| M6 | 45 mm | 11 mm | 16 mm | ~3 Nm |
| M8 | 55 mm | 13 mm | 20 mm | ~6 Nm |
| M10 | 65 mm | 15 mm | 24 mm | ~10 Nm |
| M12 | 80 mm | 18 mm | 28 mm | ~16 Nm |
| M14 | 90 mm | 20 mm | 32 mm | ~22 Nm |
| M16 | 100 mm | 22 mm | 36 mm | ~28 Nm |
| M20 | 120 mm | 26 mm | 42 mm | ~40 Nm |
Figures shown are representative reference values for quick planning purposes; actual achievable torque depends on operator grip, lever material, and specific ratchet or cam mechanism selected. Please confirm exact dimensions against the current DIN 99 standard document or your engineering drawing, and request our certified dimensional data sheet, before finalizing a purchase order.
Clamping Lever Product Range
Standard Clamping Levers
Ratchet and cam-adjustable clamping levers in steel and stainless, M5 to M20 thread.
DIN 6337Adjustable Star Knobs
Multi-arm star grip handles for lighter clamping and general adjustment applications.
Support HardwareTension & Locking Levers
Cam-action tension levers for quick-release fixturing and adjustable brackets.
Support HardwareClamping Studs & Threaded Inserts
Matching studs and threaded inserts to complete a full clamping lever assembly.
DIN 99 Technical Overview
Available Materials
- Zinc Alloy / Steel Body Standard Offering
- Stainless Steel Washdown Applications
- Reinforced Nylon Lightweight Applications
- Stud Material Steel / Stainless
- Custom Material To Specification
Adjustment Mechanism
- Ratchet Tooth Fixed Index Positions
- Push-Back Cam Continuously Adjustable
- Fixed Lever Non-Adjustable Option
- Stud Type External / Internal Thread
- Testing MTC / NABL on Request
Available Dimensions
- Thread Diameter M5 – M20
- Stud Length Custom to Drawing
- Lever Length 40 – 120 mm
- Standard Reference DIN 99
- Packaging Loose / Boxed / Bulk
Application Areas
Wherever a joint needs to be locked and released repeatedly, by hand, without a tool.
Machine Tool Fixturing
adjustment on machine tools
Machine Guards & Covers
panels needing frequent access
Jigs & Fixtures
and clamping points
Medical & Laboratory Equipment
and positioning arms
Material Handling Equipment
on conveyor and handling systems
Automotive Jigs & Test Rigs
adjustment on assembly rigs
Instrumentation Mounts
and camera positioning
General Industrial Equipment
tool-free repeated adjustment
Standard Export Documentation
Prepared as standard practice for every clamping lever shipment.
Mill Test Certificate (MTC)
Material composition and mechanical property verification for every production batch.
Certificate of Conformance
Confirms the shipment matches the purchase order specification, size, and mechanism type in full.
Certificate of Origin (COO)
Confirms India as country of manufacture for destination customs purposes.
Commercial Invoice & Packing List
Itemized value, Incoterm, and detailed carton/weight breakdown for customs clearance.
Dimensional Data Sheet
Certified lever length, thread size, and stud length data against DIN 99 available on request before order confirmation.
Bill of Lading
Ocean or air freight shipping document confirming carrier, mode, and consignee details.
Internationally Recognised Standards Coverage
Related Fastener Grades & Standards
DIN 261 T-Head Bolts
T-slot clamping bolts for machine tool tables, with a matching standard dimension and weight chart.
View DIN 261 →DIN 188 T-Head Bolts
Point-contact anti-rotation T-head bolts for machine tool T-slot clamping.
View DIN 188 →DIN 93 Tab Washers
Bendable locking washers offering a physical, verifiable safety locking philosophy.
View DIN 93 →Top Nickel Fasteners Manufacturer
See our full in-house nickel alloy manufacturing and documentation capability.
View Manufacturer Page →Send Us Your
Thread Size & Mechanism Preference
Tell us your thread size, stud length, and whether you need ratchet or cam-adjustable action — we’ll confirm the correct DIN 99 specification and issue a certified dimensional data sheet with your quote. Akbar Fasteners Pvt. Ltd. responds within 24 hours.
Sales: +91 724 0000 733 · Support: +91 800 9315 333 · sales@akbarfasteners.in