Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Turnbuckle
Origin	-
Material	High-Carbon Steel
Finish	Black Oxide Coated
Head Type	Flat Head Slotted
Drive Style	Cross/Slotted Combo
Point Type	Four-Tooth Drill Tail
Thread Style	Coarse Thread
Application	Wood and Soft Metal
Corrosion Resistance	Moderate (Indoor Use)
Package Quantity	100 Pieces
Country of Origin	China

6 reviews

Anonymous

Mar 31, 2026

Rating: 5/5

Perfect for dovetail joints

As the name suggests, these work wonderfully for securing dovetail nails and fixtures. The countersunk head sits flush every time. Very satisfied with the quality.

Anonymous

Mar 29, 2026

Rating: 4/5

Solid hardware choice

Used these for assembling furniture. They are strong and the black color blends well with dark wood. Just make sure your driver bit fits the cross slot perfectly.

Anonymous

Mar 24, 2026

Rating: 4/5

Good value for bulk projects

Bought these for a fencing project. They hold well in treated lumber. The black finish looks nice, though I wouldn't use them in direct rain exposure long-term.

Anonymous

Mar 10, 2026

Rating: 5/5

Great grip and easy installation

These screws have an excellent anti-slip design. The cross and slotted combo makes it easy to use with different drivers. The drill tail penetrates wood smoothly without pre-drilling.

Anonymous

Mar 08, 2026

Rating: 5/5

Sharp and durable

The four-tooth tip is very sharp and cuts through material effortlessly. No stripping issues even when driving them in tight spaces. Highly recommend for carpentry work.

Anonymous

Mar 07, 2026

Rating: 3/5

Decent but head slots vary

Most of the screws are great, but about 5% had slightly off-center slots which made driving them tricky. Overall okay for the price point.

5 FAQ

Q: Is the black coating suitable for outdoor use?

A: The black oxide finish offers moderate corrosion resistance but is best suited for indoor applications. For outdoor use, we suggest applying an additional sealant or choosing stainless steel alternatives.

Q: What size driver bit do I need for the cross slot?

A: A standard PH2 (Phillips #2) driver bit is recommended for the cross portion of the head. The slotted part accommodates a standard flathead screwdriver as well.

Q: Can these screws be used on metal surfaces?

A: They are primarily designed for wood and soft materials. While the drill tail can penetrate thin soft metals, we recommend using self-tapping screws specifically rated for metal for best results.

Q: Are these screws available in different lengths?

A: This specific listing is for the standard length included in the package. We do carry other lengths in our store; please check the related products section or contact us for custom bulk orders.

Q: Do I need to pre-drill holes before using these?

A: Generally, no. The four-tooth drill tail is designed to self-drill into wood and soft materials. However, pre-drilling is advised when working near the edge of hard woods to prevent splitting.

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