Tenvik
4 clampsLocks at 90°

Corner Clamp 4 Pack — 5.5" / 140mm Right Angle Clamp

Four aluminum corner clamps that hold a true 90° while the glue sets. Turn the locking screw and the corner stays square overnight.

$46.00 $79.99 -42%

16 customers with paid orders

Pack4x Corner Clamps

30-day returnsSecure checkout

VisaMastercardAmerican ExpressApple PayGoogle PayPayPal
90°CNC-machined right angle
4 packClamp a whole frame at once
3.5 inMax clamping thickness (90 mm)
AluminumRed anodized, rust-proof

Square corners in three steps

  1. Set the pieces

    Butt the two parts into the clamp corner.

  2. Tighten

    Turn the screw until both pieces sit flat against the jaws.

  3. Let it cure

    Leave the clamp locked while the glue dries, then release.

Why the corner stays square

  • Each clamp is CNC-machined, so all four hold the same 90°.
  • The locking screw holds the angle while glue sets. No creep.
  • Chamfered edges do not nick the wood or your hands.
  • Sized for picture frames, drawers, boxes and small cabinets.
Red corner clamps holding a wooden frame square

Specifications

Size5.5 in / 140 mm
Max clamping thickness3.5 in / 90 mm
MaterialAluminum alloy, red anodized
Angle90°
Quantity4 clamps
Warranty1 year
In the box4 clamps, 4 L-screw and nut sets, plastic storage box

Questions

Do all four hold the same angle?

Yes. Each is machined to 90°, so a four-corner frame closes flush.

How thick can the stock be?

Up to 3.5 in (90 mm).

Will the finish rust?

No. The body is anodized aluminum.

What if it doesn't work for me?

Return it unused within 30 days. Contact us with your order number and we will walk you through it.

Customer reviews

4.88 reviews
  1. 5★6
  2. 4★2
  3. 3★0
  4. 2★0
  5. 1★0
Marcus T.Verified buyer
★★★★★

Assembled a wall-mounted shelving unit and these kept every frame square. All four finished the same, which is rare.

Pack: 4x Corner Clamps
Elena R.Verified buyer
★★★★★

Built a set of drawer boxes for my son's room. Clamped all four corners, came back in an hour and they were rock solid.

Pack: 4x Corner Clamps
David W.Verified buyer
★★★★★

The red coating is nice — doesn't look like it will rust anytime. Have been sitting in my shop uncovered for weeks, still look new.

Pack: 4x Corner Clamps
Patricia M.Verified buyer
★★★★☆

Good value for four clamps. Screw is a little stiff to turn at first but it loosens up after a few uses.

Pack: 4x Corner Clamps
James K.Verified buyer
★★★★★

Framing pictures and posters is now my side gig. These clamps are why — I can do four at a time.

Pack: 4x Corner Clamps
Sophie L.Verified buyer
★★★★★

Furniture maker here. Bought these for small projects. Precision is solid and the aluminum won't damage veneer.

Pack: 4x Corner Clamps
Robert D.Verified buyer
★★★★★

Mailbox project needed accurate 90s. Set these in, glued, and walked away. Never once did one slip.

Pack: 4x Corner Clamps
Anna B.Verified buyer
★★★★☆

Does exactly what it advertises. Plastic toolbox is handy for keeping them organized in the van.

Pack: 4x Corner Clamps

Pairs well with