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Stainless Steel Wing-Head Thumb Screws
Made from 18-8 stainless steel, these thumb screws are chemical resistant and may be mildly magnetic. Wings provide more leverage than spade-head thumb screws for greater torque while tightening. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||
|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Specifications Met | Each | |
18-8 Stainless Steel  | |||||
1/4"-20 | |||||
| 3/4" | 1 1/2" | 5/8" | __ | 000000000 | 000000 |
| 1" | 1 1/2" | 5/8" | __ | 000000000 | 00000 |
| 1 1/2" | 1 1/2" | 5/8" | __ | 000000000 | 00000 |
| 2" | 1 1/2" | 5/8" | __ | 000000000 | 00000 |
| 3" | 1 1/2" | 5/8" | __ | 000000000 | 00000 |
5/16"-18 | |||||
| 3/4" | 1 11/16" | 23/32" | __ | 000000000 | 00000 |
| 1" | 1 11/16" | 23/32" | __ | 000000000 | 00000 |
| 1 1/2" | 1 11/16" | 23/32" | __ | 000000000 | 00000 |
| 2" | 1 11/16" | 23/32" | __ | 000000000 | 00000 |
| 3" | 1 11/16" | 23/32" | __ | 000000000 | 00000 |
3/8"-16 | |||||
| 3/4" | 1 7/8" | 13/16" | __ | 000000000 | 00000 |
| 1" | 1 7/8" | 13/16" | __ | 000000000 | 00000 |
| 1 1/2" | 1 7/8" | 13/16" | __ | 000000000 | 00000 |
| 2" | 1 7/8" | 13/16" | __ | 000000000 | 00000 |
| 3" | 1 7/8" | 13/16" | __ | 000000000 | 00000 |
1/2"-13 | |||||
| 1" | 2 1/4" | 1" | __ | 000000000 | 00000 |
| 1 1/2" | 2 1/4" | 1" | __ | 000000000 | 00000 |
| 2" | 2 1/4" | 1" | __ | 000000000 | 00000 |
| 3" | 2 1/4" | 1" | __ | 000000000 | 00000 |
5/8"-11 | |||||
| 1" | 2 5/8" | 1 3/16" | __ | 000000000 | 00000 |
| 2" | 2 5/8" | 1 3/16" | __ | 000000000 | 00000 |
| 3" | 2 5/8" | 1 3/16" | __ | 000000000 | 00000 |
M3 × 0.5 mm | |||||
| 12mm | 17.6mm | 8.6mm | DIN 316 | 000000000 | 0000 |
| 20mm | 17.6mm | 8.6mm | DIN 316 | 000000000 | 000 |
| 30mm | 17.6mm | 8.6mm | DIN 316 | 000000000 | 0000 |
M4 × 0.7 mm | |||||
| 10mm | 23mm | 11.5mm | DIN 316 | 000000000 | 0000 |
| 12mm | 23mm | 11.5mm | DIN 316 | 000000000 | 0000 |
| 16mm | 23mm | 11.5mm | DIN 316 | 000000000 | 0000 |
| 20mm | 23mm | 11.5mm | DIN 316 | 000000000 | 0000 |
| 25mm | 23mm | 11.5mm | DIN 316 | 000000000 | 0000 |
| 30mm | 23mm | 11.5mm | DIN 316 | 000000000 | 0000 |
| 35mm | 23mm | 11.5mm | DIN 316 | 000000000 | 0000 |
M5 × 0.8 mm | |||||
| 10mm | 23mm | 11.5mm | DIN 316 | 000000000 | 0000 |
| 12mm | 23mm | 11.5mm | DIN 316 | 000000000 | 0000 |
| 16mm | 23mm | 11.5mm | DIN 316 | 000000000 | 0000 |
| 20mm | 23mm | 11.5mm | DIN 316 | 000000000 | 0000 |
| 25mm | 23mm | 11.5mm | DIN 316 | 000000000 | 0000 |
| 30mm | 23mm | 11.5mm | DIN 316 | 000000000 | 0000 |
| 35mm | 23mm | 11.5mm | DIN 316 | 000000000 | 0000 |
| 50mm | 23mm | 11.5mm | DIN 316 | 000000000 | 0000 |
M6 × 1 mm | |||||
| 10mm | 28mm | 14mm | DIN 316 | 000000000 | 0000 |
| 12mm | 28mm | 14mm | DIN 316 | 000000000 | 0000 |
| 16mm | 28mm | 14mm | DIN 316 | 000000000 | 0000 |
| 20mm | 28mm | 14mm | DIN 316 | 000000000 | 0000 |
| 25mm | 28mm | 14mm | DIN 316 | 000000000 | 0000 |
| 30mm | 28mm | 14mm | DIN 316 | 000000000 | 0000 |
| 35mm | 28mm | 14mm | DIN 316 | 000000000 | 0000 |
| 40mm | 28mm | 14mm | DIN 316 | 000000000 | 0000 |
| 50mm | 28mm | 14mm | DIN 316 | 000000000 | 0000 |
M8 × 1.25 mm | |||||
| 16mm | 31mm | 16mm | DIN 316 | 000000000 | 0000 |
| 20mm | 31mm | 16mm | DIN 316 | 000000000 | 0000 |
| 25mm | 31mm | 16mm | DIN 316 | 000000000 | 0000 |
| 30mm | 31mm | 16mm | DIN 316 | 000000000 | 0000 |
| 35mm | 31mm | 16mm | DIN 316 | 000000000 | 0000 |
| 40mm | 31mm | 16mm | DIN 316 | 000000000 | 0000 |
| 50mm | 31mm | 16mm | DIN 316 | 000000000 | 0000 |
M10 × 1.5 mm | |||||
| 20mm | 37mm | 18mm | DIN 316 | 000000000 | 00000 |
| 25mm | 37mm | 18mm | DIN 316 | 000000000 | 0000 |
| 30mm | 37mm | 18mm | DIN 316 | 000000000 | 00000 |
| 35mm | 37mm | 18mm | DIN 316 | 000000000 | 00000 |
| 40mm | 37mm | 18mm | DIN 316 | 000000000 | 00000 |
| 50mm | 37mm | 18mm | DIN 316 | 000000000 | 00000 |
| 60mm | 37mm | 18mm | DIN 316 | 000000000 | 00000 |
M12 × 1.75 mm | |||||
| 35mm | 50mm | 24mm | DIN 316 | 000000000 | 00000 |
| 50mm | 50mm | 24mm | DIN 316 | 000000000 | 00000 |
Steel and Iron Wing-Head Thumb Screws
Wings provide more leverage than spade-head thumb screws for greater torque while tightening. A zinc plating provides corrosion resistance in wet environments. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||
|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Pkg. Qty. | Pkg. | ||
Zinc-Plated Steel | ||||||
8-32 | ||||||
| 3 | 1/4" | 49/64" | 25/64" | 10 | 000000000 | 000000 |
| 3 | 3/8" | 49/64" | 25/64" | 10 | 000000000 | 00000 |
| 3 | 1/2" | 49/64" | 25/64" | 10 | 000000000 | 00000 |
10-32 | ||||||
| 3 | 1/2" | 57/64" | 29/64" | 10 | 000000000 | 00000 |
| 3 | 3/4" | 57/64" | 29/64" | 10 | 000000000 | 00000 |
| 3 | 1" | 57/64" | 29/64" | 10 | 000000000 | 00000 |
1/4"-20 | ||||||
| 3 | 3/8" | 1 5/64" | 29/64" | 10 | 000000000 | 00000 |
| 3 | 1/2" | 1 5/64" | 29/64" | 10 | 000000000 | 00000 |
| 3 | 5/8" | 1 5/64" | 29/64" | 10 | 000000000 | 00000 |
| 3 | 3/4" | 1 5/64" | 29/64" | 10 | 000000000 | 00000 |
| 3 | 1" | 1 5/64" | 29/64" | 5 | 000000000 | 0000 |
| 3 | 1 1/2" | 1 5/64" | 29/64" | 5 | 000000000 | 0000 |
5/16"-18 | ||||||
| 3 | 1/2" | 1 19/64" | 39/64" | 5 | 000000000 | 0000 |
| 3 | 3/4" | 1 19/64" | 39/64" | 5 | 000000000 | 0000 |
| 3 | 1" | 1 19/64" | 39/64" | 5 | 000000000 | 0000 |
Wing Head Quarter-Turn Captive Panel Screws with Front Press-Fit Nut
Press these nuts into a closed-end hole or thick panel in applications where the back of the panel is inaccessible. Install with an arbor press or similar pressure tool. A quarter-turn locks and releases access panels, doors, and covers. The screw is held to the outer panel by a retainer. An installation tool (sold separately) is required to install the retainer. Nuts and screws have a zinc plating to resist corrosion in wet environments. Length is measured from under the screw head.
For technical drawings and 3-D models, click on a part number.
For Inner Panel | Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Installation Thick. | Min. Thick. | Hole Dia. | For Min. Space Between Panels | Wd. | Ht. | Lg. | Nut Dia. | Shank Dia. | Retainer Material | Each | |
Zinc-Plated Steel | |||||||||||
| 0.01"-0.03" | 0.08" | 0.469" | 0.01" | 0.88" | 0.44" | 0.46" | 0.465" | 0.198" | 18-8 Stainless Steel | 000000000 | 00000 |
| 0.03"-0.05" | 0.08" | 0.469" | 0.01" | 0.88" | 0.44" | 0.48" | 0.465" | 0.198" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.05"-0.07" | 0.08" | 0.469" | 0.01" | 0.88" | 0.44" | 0.5" | 0.465" | 0.198" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.07"-0.09" | 0.08" | 0.469" | 0.01" | 0.88" | 0.44" | 0.52" | 0.465" | 0.198" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.09"-0.11" | 0.08" | 0.469" | 0.01" | 0.88" | 0.44" | 0.54" | 0.465" | 0.198" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.11"-0.13" | 0.08" | 0.469" | 0.01" | 0.88" | 0.44" | 0.56" | 0.465" | 0.198" | 18-8 Stainless Steel | 000000000 | 0000 |
Wing Head Quarter-Turn Captive Panel Screws with Back Press-Fit Nut
Press these nuts into the backside of a panel in applications where you have access to both sides of the panel. Install with an arbor press or similar pressure tool. A quarter-turn locks and releases access panels, doors, and covers. The screw is held to the outer panel by a retainer. An installation tool (sold separately) is required to install the retainer. Nuts and screws have a zinc plating that provides corrosion resistance in wet environments. Length is measured from under the screw head.
For technical drawings and 3-D models, click on a part number.
For Panel Thick. | Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | Min. Inner | For Inner Panel Hole Dia. | For Min. Space Between Panels | Wd. | Ht. | Lg. | Nut Dia. | Shank Dia. | Retainer Material | Each | |
Zinc-Plated Steel | |||||||||||
| 0.05" to 0.07" | 0.037" | 0.437" | 0.01" | 0.88" | 0.44" | 0.46" | 0.54" | 0.198" | 18-8 Stainless Steel | 000000000 | 00000 |
| 0.07" to 0.09" | 0.037" | 0.437" | 0.01" | 0.88" | 0.44" | 0.48" | 0.54" | 0.198" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.09" to 0.11" | 0.037" | 0.437" | 0.01" | 0.88" | 0.44" | 0.5" | 0.54" | 0.198" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.11" to 0.13" | 0.037" | 0.437" | 0.01" | 0.88" | 0.44" | 0.52" | 0.54" | 0.198" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.13" to 0.15" | 0.037" | 0.437" | 0.01" | 0.88" | 0.44" | 0.54" | 0.54" | 0.198" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.15" to 0.17" | 0.037" | 0.437" | 0.01" | 0.88" | 0.44" | 0.56" | 0.54" | 0.198" | 18-8 Stainless Steel | 000000000 | 0000 |
Wing Head Quarter-Turn Captive Panel Screws with Clip-On Nut
A clip-on nut allows you to mount the screw near the edge of a thin panel. Lock and release access panels, doors, and covers with a quarter-turn. The screw is held to the outer panel by a retainer. Length is measured from under the screw head.
Zinc-plated steel nuts and screws are corrosion resistant in wet environments. An installation tool (sold separately) is required to install the retainer.
For technical drawings and 3-D models, click on a part number.
For Panel Thick. | Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Inner | Total | For Hole Dia. | Wd. | Ht. | Lg. | Nut Wd. | Shank Dia. | Retainer Material | Each | |
Zinc-Plated Steel | ||||||||||
| 0.02" to 0.114" | 0.15" to 0.17" | 0.312" | 0.88" | 0.44" | 0.46" | 0.63" | 0.198" | 18-8 Stainless Steel | 000000000 | 00000 |
| 0.02" to 0.134" | 0.17" to 0.19" | 0.312" | 0.88" | 0.44" | 0.48" | 0.63" | 0.198" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.02" to 0.154" | 0.19" to 0.21" | 0.312" | 0.88" | 0.44" | 0.5" | 0.63" | 0.198" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.02" to 0.174" | 0.21" to 0.23" | 0.312" | 0.88" | 0.44" | 0.52" | 0.63" | 0.198" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.02" to 0.194" | 0.23" to 0.25" | 0.312" | 0.88" | 0.44" | 0.54" | 0.63" | 0.198" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.02" to 0.214" | 0.25" to 0.27" | 0.312" | 0.88" | 0.44" | 0.56" | 0.63" | 0.198" | 18-8 Stainless Steel | 000000000 | 0000 |
Wing Head Quarter-Turn Captive Panel Screws with Rivet-Mount Nut
Rivet these nuts into thin panels for a flush fit. They can be mounted without space between panels. A quarter-turn locks and releases access panels, doors, and covers. The screw is held to the outer panel by a retainer. Rivets not included. Install with 3/32" rivets in steel and 1/8" rivets in plastic. Length is measured from under the screw head.
Zinc-plated steel nuts and screws are corrosion resistant in wet environments. An installation tool (sold separately) is required to install the retainer.
For technical drawings and 3-D models, click on a part number.
For Panel Hole Dia. | Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Total Panel Thick. | Inner | Outer | Wd. | Ht. | Lg. | Nut Wd. | Shank Dia. | Mounting Hole Ctr.-to-Ctr. | Retainer Material | Each | |
Zinc-Plated Steel | |||||||||||
| 0.15" to 0.17" | 0.44" | 0.24" | 0.88" | 0.44" | 0.46" | 0.38" | 0.198" | 0.75" | 18-8 Stainless Steel | 000000000 | 00000 |
| 0.17" to 0.19" | 0.44" | 0.24" | 0.88" | 0.44" | 0.48" | 0.38" | 0.198" | 0.75" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.19" to 0.21" | 0.44" | 0.24" | 0.88" | 0.44" | 0.5" | 0.38" | 0.198" | 0.75" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.21" to 0.23" | 0.44" | 0.24" | 0.88" | 0.44" | 0.52" | 0.38" | 0.198" | 0.75" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.23" to 0.25" | 0.44" | 0.24" | 0.88" | 0.44" | 0.54" | 0.38" | 0.198" | 0.75" | 18-8 Stainless Steel | 000000000 | 0000 |
| 0.25" to 0.27" | 0.44" | 0.24" | 0.88" | 0.44" | 0.56" | 0.38" | 0.198" | 0.75" | 18-8 Stainless Steel | 000000000 | 0000 |