Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Screws
Origin	-
Material	304 Stainless Steel
Head Style	High-Head Knurled
Drive Type	Hand-Tightened (Thumb)
Feature	Spring-Loaded Mechanism
Standard	GB834
Available Sizes	M3, M4, M5, M6, M8, M10
Finish	Polished Silver
Thread Type	Metric Coarse
Application	Quick Release Clamps & Fixtures
Corrosion Resistance	High (Suitable for Indoor/Outdoor)

6 reviews

Anonymous

Mar 30, 2026

Rating: 4/5

Good quality, stiff spring

The stainless steel quality is excellent and feels very durable. The spring is a bit stiff initially, but I expect it will loosen up slightly with use. Great value for the price.

Anonymous

Mar 29, 2026

Rating: 5/5

Smooth operation

The threading is clean and cuts through smoothly without binding. The spring tension holds the screw in place nicely when loosened, so I don't lose them during adjustments.

Anonymous

Mar 23, 2026

Rating: 5/5

Perfect for my jig setup

These thumb screws are exactly what I needed for my woodworking jigs. The spring-loaded feature makes swapping pieces incredibly fast, and the knurling provides a great grip even with gloves on.

Anonymous

Mar 22, 2026

Rating: 5/5

Excellent replacement parts

Bought the M6 size to replace broken plastic thumbscrews on my 3D printer bed. These are infinitely better and the high head gives me plenty of leverage.

Anonymous

Mar 17, 2026

Rating: 5/5

Great for camera rigs

Using these on my photography light stands. They are sturdy, look professional, and the hand-tighten feature saves me from carrying an Allen key everywhere.

Anonymous

Mar 16, 2026

Rating: 3/5

Sizing runs slightly large

Quality seems good, but the M4 threads felt a little tight going into my standard tapped holes. Might need a tap run-through before installation. Otherwise functional.

5 FAQ

Q: Do you sell these in a black finish?

A: Currently, this specific model is only available in the natural polished 304 Stainless Steel finish. We do not offer a black coated version at this time.

Q: Can the spring be removed if I don't need the loading feature?

A: The spring is integrated into the design to maintain tension during hand-tightening. Removing it may compromise the locking ability and is not recommended by the manufacturer.

Q: What is the maximum load capacity for the M8 size?

A: While specific load ratings vary by application, 304 Stainless Steel M8 screws generally offer high tensile strength suitable for most clamping and fixture tasks. For critical structural loads, please consult an engineer.

Q: Are these screws compatible with imperial threads?

A: No, these screws are manufactured strictly to metric standards (M3-M10) as per the GB834 specification and will not fit imperial threaded holes.

Q: Is the knurled head safe to touch after prolonged friction?

A: Yes, the knurled head is designed for manual handling. However, like any metal part subjected to rapid friction, it may become warm to the touch during extensive repeated adjustments.

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