Fine Thread vs Coarse Thread Pocket Hole Screws

Choosing the correct pocket hole screw thread is essential for creating strong, reliable joints. This guide explains the difference between fine thread and coarse thread screws, helping you choose the right screw for hardwood, softwood, MDF and plywood.

Choose the Correct Screw Length Every Time

The thickness of the timber determines the screw length you should use. Selecting the correct length provides maximum holding power while preventing the screw from breaking through the opposite face of the material.

Shop Pocket Hole Screws

Choose the Correct Screw Length

Find your timber thickness below to instantly see which pocket hole screw length will give the strongest joint.

25mm Screws

★★★★★ Most Popular for 12mm Boards

✔ Timber thickness 12–13mm

✔ Thin panels

✔ Drawer boxes

✔ Small furniture

Shop 25mm Screws

32mm Screws

★★★★★ Best Seller

✔ 18–19mm timber

✔ Cabinets

✔ Furniture

✔ MDF & plywood

Shop 32mm Screws

38mm Screws

★★★★★ Ideal for Worktops

✓ 25–26mm timber

✓ Worktops

✓ Framing

✓ Heavy furniture

Excellent for thicker boards requiring extra holding power.

Shop 38mm Screws

50mm Screws

★★★★★ Heavy Duty Choice

✓ 32mm timber

✓ Structural work

✓ Heavy cabinets

✓ Timber frames

For larger timber where extra screw engagement is required.

Shop 50mm Screws

63mm Screws

★★★★★ Maximum Holding Power

✓ 38mm+ timber

✓ Thick hardwood

✓ Large furniture

✓ Heavy construction

Maximum holding power for the thickest pocket hole joints.

Shop 63mm Screws

Need More Help Choosing?

Still unsure which pocket hole screw you need?

Browse our Pocket Hole Knowledge Centre for expert guides on screw length, thread type, jigs, techniques and product recommendations.

Browse Knowledge Centre

Pocket Hole Screw Length FAQs

A 32mm coarse thread pocket hole screw is the recommended choice for standard 18mm MDF, plywood and chipboard.

Using a screw that is too long can cause it to break through the opposite face of the material. Always follow the recommended screw length guide.

Yes. The screw length is determined by the timber thickness. Only the thread type changes—use Fine Thread for hardwoods and Coarse Thread for softwoods.