M2.5×20mm Stainless Steel Knurled Thumb Screws for Sports Cameras | Hand Knob Bolts
M2.5×20mm Stainless Steel Knurled Thumb Screws for Sports Cameras | Hand Knob Bolts
M2.5×20mm Stainless Steel Knurled Thumb Screws for Sports Cameras | Hand Knob Bolts
M2.5×20mm Stainless Steel Knurled Thumb Screws for Sports Cameras | Hand Knob Bolts
M2.5×20mm Stainless Steel Knurled Thumb Screws for Sports Cameras | Hand Knob Bolts
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M2.5×20mm Stainless Steel Knurled Thumb Screws for Sports Cameras | Hand Knob BoltsM2.5×20mm Stainless Steel Knurled Thumb Screws for Sports Cameras | Hand Knob BoltsM2.5×20mm Stainless Steel Knurled Thumb Screws for Sports Cameras | Hand Knob BoltsM2.5×20mm Stainless Steel Knurled Thumb Screws for Sports Cameras | Hand Knob BoltsM2.5×20mm Stainless Steel Knurled Thumb Screws for Sports Cameras | Hand Knob Bolts

M2.5×20mm Stainless Steel Knurled Thumb Screws for Sports Cameras | Hand Knob Bolts

HomeDIYer
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By HomeDIYer®

Price:
$2.14 USD
Stock:
In stock (500 units), ready to be shipped

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Description

 

M2.5×20mm Knurled Thumb Screws — Tool-Free Fastening for Sports Cameras & Action Mounts

If you've ever fumbled with a tiny hex wrench in the field while trying to mount your action camera, you know how frustrating it can be. These M2.5×20mm knurled thumb screws are built for photographers, videographers, and outdoor enthusiasts who need fast, reliable, tool-free camera mounting — whether on a trail, a boat, or a race track.

Each screw measures M2.5×20mm (approximately 0.098" diameter × 0.79" length) and is machined from stainless steel with a fully knurled cylindrical head for a confident finger grip. Available in packs of 1, 5, 10, or 50 pieces to suit single builds or bulk workshop needs.

Typical use cases include securing action camera cold shoe adapters, attaching camera cage accessories, fastening electronics enclosure panels, and assembling RC model components — anywhere an M2.5 threaded hand-tighten bolt is needed for quick-release camera mounting or tool-free panel fastening.

ℹ️ Compatibility Note: These screws use M2.5 metric thread. Please verify your mount or accessory accepts M2.5 threaded fasteners before ordering. Not compatible with standard 1/4"–20 UNC tripod threads.

✅ Key Features of These M2.5 Stainless Steel Knurled Thumb Screws

  • 🔩M2.5×20mm Precision Sizing — Diameter 2.5mm (≈0.098") × 20mm length (≈0.79"), fitting standard M2.5 threaded holes in action camera mounts and small electronics enclosures.
  • ✋Knurled Head for Tool-Free Tightening — The fully knurled cylindrical head provides a textured grip surface for secure finger-tightening, eliminating the need for a screwdriver or hex key in the field.
  • 🦾Stainless Steel Construction — Machined from stainless steel for corrosion resistance in outdoor, humid, and splash-prone environments — suitable for sports camera use in rain or high-humidity conditions.
  • 🔄Designed for Repeated Use — The thread profile maintains integrity through frequent installation and removal cycles, making these ideal for quick-release camera mounting systems and modular rig setups.
  • 📦Flexible Pack Quantities — Available in 1, 5, 10, or 50-piece packs, so you can grab a single replacement or stock up for a full workshop or production kit.
  • 🎯Versatile Fit Beyond Cameras — Compatible with any M2.5 threaded application including drone frames, RC models, instrument panels, and DIY electronics enclosures where hand-tighten bolts are preferred.

📐 Technical Specifications — M2.5 Knurled Thumb Screw

Thread Size M2.5 (Metric)
Length 20mm (≈0.79")
Thread Diameter 2.5mm (≈0.098")
Head Style Knurled Cylindrical (Hand Knob)
Drive Style Finger / Hand-Tighten (No Tool Required)
Material Stainless Steel
Finish See variant options
Thread Pitch See variant options / Contact us to confirm
Thread Standard ISO Metric (M2.5)
Pack Quantity 1pcs / 5pcs / 10pcs / 50pcs (select above)
Typical Application Sports cameras, action cam mounts, electronics enclosures, RC models
⚠️ Spec Confirmation: Thread pitch and surface finish details are not listed on the packaging. If your application requires a specific pitch (e.g., M2.5×0.45), please contact us before ordering to confirm.

❓ Frequently Asked Questions

What length thumb screw do I need for my sports camera mount?

These screws are M2.5×20mm — approximately 0.098" diameter × 0.79" in length. For most action camera cold shoe mounts and tripod adapters, 20mm is typically sufficient. If your mount has a thicker base plate, measure the grip depth and add 3–5mm for thread engagement. When in doubt, contact us to confirm compatibility before ordering.

How strong are these thumb screws — can they hold a camera securely?

Stainless steel generally provides solid tensile strength for lightweight camera accessories. These are designed for hand-tightened applications where vibration resistance and repeated removal are needed, not for structural load-bearing joints. For heavy rigs or high-vibration environments, we recommend supplementing with a locking mechanism or thread-locking compound.

Are these thumb screws rust-proof for outdoor or underwater housing use?

Stainless steel offers good corrosion resistance in most outdoor and humid environments and is generally suitable for rain, splash, and high-humidity conditions. For full submersion or saltwater exposure, verify the specific alloy grade and consider additional sealing on the housing itself. Contact us if you need grade confirmation for marine applications.

What thread standard do these use — are they compatible with standard camera mounts?

These are M2.5 metric thread screws, compatible with accessories and mounts that use M2.5 threaded holes — common in action camera accessories, small electronics enclosures, and precision instrument mounts. They are not the same as the standard 1/4"–20 UNC camera tripod thread. Please verify your mount's thread specification before ordering.

How many screws do I need for a typical camera setup?

Most single-mount setups require 1–2 screws. For multi-camera rigs, cage systems, or if you want spares for field use, the 10pcs or 50pcs packs offer better value per unit. We recommend ordering extras for any professional or travel setup where losing a small fastener in the field is a real risk.

Do I need any tools to install these thumb screws?

No tools are required. The knurled head is specifically designed for finger-tightening, making these ideal for quick field adjustments and on-the-go camera mounting. The textured grip pattern ensures a secure hold even with wet or gloved hands.

Can these be used for applications other than cameras?

Yes. M2.5 knurled thumb screws are commonly used in electronics enclosures, RC models, drones, small instrument panels, and DIY projects where tool-free fastening is needed. As long as the receiving thread is M2.5, these will generally fit a wide range of hand-tighten bolt applications.

🛒 Select your size and quantity above, then add to cart — ships from our US warehouse.

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