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About Hex Head Screws and Bolts
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Tight-Spot Hex Head Screws
A high-strength alternative to blind rivets, these Class 8.8 steel screws can be used when only one side of the material is accessible. To install, hold the washer in place with a wrench, and then use a hex socket to turn the screw. When the screw is tightened, the attached nut expands the sleeve to create a strong clamping force on the back of the material. Dimensions meet ISO 4017 (formerly DIN 933) specifications. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head, mm | Washer | Sleeve | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Material Thick. | For Hole Size | Drill Bit Size | Lg. | Threading | Thread Spacing | Wd. | Ht. | O-Ring Material | OD | Wd. | Thick. | OD | Lg. | Tensile Strength, psi | Shear Strength | Specifications Met | Each | |
Zinc-Plated Class 8.8 Steel | ||||||||||||||||||
M8 × 1.25 mm | ||||||||||||||||||
| 1/4"-7/8" | 9/16" | 9/16" | 1 13/16" | Fully Threaded | Coarse | 13 | 5.3 | __ | 0.875" | 3/4" | 3/16" | 35/64" | 1 3/16" | 110,000 | 69,600 lbs./sq. in. | ISO 4017, DIN 933 | 000000000 | 00000 |
| 7/8"-1 5/8" | 9/16" | 9/16" | 2 9/16" | Fully Threaded | Coarse | 13 | 5.3 | __ | 0.875" | 3/4" | 3/16" | 35/64" | 1 15/16" | 110,000 | 69,600 lbs./sq. in. | ISO 4017, DIN 933 | 000000000 | 00000 |
| 1 5/8"-2 3/8" | 9/16" | 9/16" | 3 3/8" | Fully Threaded | Coarse | 13 | 5.3 | __ | 0.875" | 3/4" | 3/16" | 35/64" | 2 11/16" | 110,000 | 69,600 lbs./sq. in. | ISO 4017, DIN 933 | 000000000 | 00000 |
M10 × 1.5 mm | ||||||||||||||||||
| 5/16"-7/8" | 3/4" | 3/4" | 2 9/16" | Fully Threaded | Coarse | 16 | 6.4 | __ | 1.125" | 15/16" | 1/4" | 45/64" | 1 3/16" | 110,000 | 69,600 lbs./sq. in. | ISO 4017, DIN 933 | 000000000 | 0000 |
| 7/8"-1 5/8" | 3/4" | 3/4" | 2 1/2" | Fully Threaded | Coarse | 16 | 6.4 | __ | 1.125" | 15/16" | 1/4" | 45/64" | 1 7/8" | 110,000 | 69,600 lbs./sq. in. | ISO 4017, DIN 933 | 000000000 | 00000 |
| 1 5/8"-2 3/8" | 3/4" | 3/4" | 3 5/16" | Fully Threaded | Coarse | 16 | 6.4 | __ | 1.125" | 15/16" | 1/4" | 45/64" | 2 5/8" | 110,000 | 69,600 lbs./sq. in. | ISO 4017, DIN 933 | 000000000 | 00000 |
M12 × 1.75 mm | ||||||||||||||||||
| 5/16"-1" | 13/16" | 13/16" | 2 1/8" | Fully Threaded | Coarse | 18 | 7.5 | __ | 1.25" | 1 3/16" | 1/4" | 25/32" | 1 3/8" | 110,000 | 69,600 lbs./sq. in. | ISO 4017, DIN 933 | 000000000 | 0000 |
| 1"-1 13/16" | 13/16" | 13/16" | 2 29/32" | Fully Threaded | Coarse | 18 | 7.5 | __ | 1.25" | 1 3/16" | 1/4" | 25/32" | 2 1/4" | 110,000 | 69,600 lbs./sq. in. | ISO 4017, DIN 933 | 000000000 | 00000 |
| 1 13/16"-2 3/4" | 13/16" | 13/16" | 3 3/4" | Fully Threaded | Coarse | 18 | 7.5 | __ | 1.25" | 1 3/16" | 1/4" | 25/32" | 3 1/8" | 110,000 | 69,600 lbs./sq. in. | ISO 4017, DIN 933 | 000000000 | 00000 |
M16 × 2 mm | ||||||||||||||||||
| 1/2"-1 1/8" | 1 1/16" | 1 1/16" | 2 11/16" | Fully Threaded | Coarse | 24 | 10 | Rubber | 1.5" | 1 7/16" | 5/16" | 1 1/64" | 1 5/8" | 110,000 | 69,600 lbs./sq. in. | ISO 4017, DIN 933 | 000000000 | 00000 |
| 1 1/8"-2" | 1 1/16" | 1 1/16" | 3 11/16" | Fully Threaded | Coarse | 24 | 10 | Rubber | 1.5" | 1 7/16" | 5/16" | 1 1/64" | 2 1/2" | 110,000 | 69,600 lbs./sq. in. | ISO 4017, DIN 933 | 000000000 | 00000 |
| 2"-2 13/16" | 1 1/16" | 1 1/16" | 4 7/16" | Fully Threaded | Coarse | 24 | 10 | Rubber | 1.5" | 1 7/16" | 5/16" | 1 1/64" | 3 5/16" | 110,000 | 69,600 lbs./sq. in. | ISO 4017, DIN 933 | 000000000 | 00000 |
Steel Stud Anchors with Hex Nut for Block and Brick
A zinc plating provides corrosion resistance in wet environments. Also known as sleeve anchors, these have a sleeve that expands as you tighten the nut for a secure hold in block and brick. They're often used to mount shelving and anchor bollards and guard rails. Pull-out strength and shear strength values are 25% of the ultimate values.
For technical drawings and 3-D models, click on a part number.
Thread | Strength, lbs. | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Size | Lg. | Washer OD | Nut Wd. | Drill Bit Size | Min. Installation Dp. | Pull-Out | Shear | Tested In | Required Installation Torque, ft.-lbs. | For Use In | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||||||||
5/16" Dia. | ||||||||||||||
| 1 7/8" | 1/4"-20 | 1 1/4" | 5/8" | 7/16" | 5/16" | 1 1/4" | 370 | 570 | 4,000 psi Concrete | 12 | Block, Brick, Concrete | 25 | 000000000 | 00000 |
| 2 3/4" | 1/4"-20 | 2" | 5/8" | 7/16" | 5/16" | 1 1/4" | 370 | 570 | 4,000 psi Concrete | 12 | Block, Brick, Concrete | 25 | 000000000 | 00000 |
3/8" Dia. | ||||||||||||||
| 2 1/4" | 5/16"-18 | 1 1/2" | 13/16" | 1/2" | 3/8" | 1 5/8" | 570 | 1,000 | 4,000 psi Concrete | 18 | Block, Brick, Concrete | 10 | 000000000 | 0000 |
| 3 3/8" | 5/16"-18 | 2 5/8" | 13/16" | 1/2" | 3/8" | 1 5/8" | 570 | 1,000 | 4,000 psi Concrete | 18 | Block, Brick, Concrete | 10 | 000000000 | 0000 |
| 4 3/8" | 5/16"-18 | 3 5/8" | 13/16" | 1/2" | 3/8" | 1 5/8" | 570 | 1,000 | 4,000 psi Concrete | 18 | Block, Brick, Concrete | 10 | 000000000 | 0000 |
1/2" Dia. | ||||||||||||||
| 2 7/8" | 3/8"-16 | 2" | 1" | 9/16" | 1/2" | 2" | 650 | 1,200 | 4,000 psi Concrete | 26 | Block, Brick, Concrete | 10 | 000000000 | 00000 |
| 3 3/8" | 3/8"-16 | 2 1/2" | 1" | 9/16" | 1/2" | 2" | 650 | 1,200 | 4,000 psi Concrete | 26 | Block, Brick, Concrete | 10 | 000000000 | 00000 |
| 4 3/8" | 3/8"-16 | 3 1/2" | 1" | 9/16" | 1/2" | 2" | 650 | 1,200 | 4,000 psi Concrete | 26 | Block, Brick, Concrete | 5 | 000000000 | 0000 |
| 5 3/4" | 3/8"-16 | 4" | 1" | 9/16" | 1/2" | 2" | 650 | 1,200 | 4,000 psi Concrete | 26 | Block, Brick, Concrete | 5 | 000000000 | 00000 |
| 6 3/4" | 3/8"-16 | 4 7/8" | 1" | 9/16" | 1/2" | 2" | 650 | 1,200 | 4,000 psi Concrete | 26 | Block, Brick, Concrete | 5 | 000000000 | 00000 |
5/8" Dia. | ||||||||||||||
| 3 1/4" | 1/2"-13 | 2" | 1 3/8" | 3/4" | 5/8" | 2" | 1,200 | 1,200 | 4,000 psi Concrete | 50 | Block, Brick, Concrete | 10 | 000000000 | 00000 |
| 3 3/4" | 1/2"-13 | 2 5/8" | 1 3/8" | 3/4" | 5/8" | 2" | 1,200 | 1,200 | 4,000 psi Concrete | 50 | Block, Brick, Concrete | 10 | 000000000 | 00000 |
| 5" | 1/2"-13 | 4" | 1 3/8" | 3/4" | 5/8" | 2" | 1,200 | 1,200 | 4,000 psi Concrete | 50 | Block, Brick, Concrete | 5 | 000000000 | 0000 |
| 6 1/4" | 1/2"-13 | 4" | 1 3/8" | 3/4" | 5/8" | 2" | 1,200 | 1,200 | 4,000 psi Concrete | 50 | Block, Brick, Concrete | 5 | 000000000 | 00000 |
3/4" Dia. | ||||||||||||||
| 3 5/8" | 5/8"-11 | 2 1/2" | 1 3/4" | 15/16" | 3/4" | 2 1/4" | 1,700 | 2,700 | 4,000 psi Concrete | 90 | Block, Brick, Concrete | 5 | 000000000 | 00000 |
| 5 1/8" | 5/8"-11 | 4" | 1 3/4" | 15/16" | 3/4" | 2 1/4" | 1,700 | 2,700 | 4,000 psi Concrete | 90 | Block, Brick, Concrete | 1 | 000000000 | 0000 |
| 7 1/8" | 5/8"-11 | 6" | 1 3/4" | 15/16" | 3/4" | 2 1/4" | 1,700 | 2,700 | 4,000 psi Concrete | 90 | Block, Brick, Concrete | 1 | 000000000 | 0000 |
Flat Head Stud Anchors for Block and Brick
The removable flat head provides a flush finish in countersunk holes. Also known as sleeve anchors, these have a sleeve that expands as you tighten the bolt for a secure hold in block and brick. They're often used to mount shelving and anchor bollards and guard rails. A zinc plating provides corrosion resistance in wet environments. Pull-out strength and shear strength values are 25% of the ultimate values.
For technical drawings and 3-D models, click on a part number.
Thread | Strength, lbs. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Size | Lg. | Drill Bit Size | Min. Installation Dp. | Pull-Out | Shear | Tested In | Required Installation Torque, ft.-lbs. | Drive Style | For Use In | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | |||||||||||||
1/4" Dia. | |||||||||||||
| 1 1/2" | 10-24 | 5/8" | 1/4" | 5/8" | 160 | 250 | 4,000 psi Concrete | 6 | Phillips | Block, Brick, Concrete | 25 | 000000000 | 000000 |
| 2 1/4" | 10-24 | 1 1/4" | 1/4" | 5/8" | 160 | 250 | 4,000 psi Concrete | 6 | Phillips | Block, Brick, Concrete | 25 | 000000000 | 00000 |
| 3" | 10-24 | 2" | 1/4" | 5/8" | 160 | 250 | 4,000 psi Concrete | 6 | Phillips | Block, Brick, Concrete | 25 | 000000000 | 00000 |
| 4" | 10-24 | 2 1/2" | 1/4" | 5/8" | 160 | 250 | 4,000 psi Concrete | 6 | Phillips | Block, Brick, Concrete | 25 | 000000000 | 00000 |
| 5 1/4" | 10-24 | 2 1/2" | 1/4" | 5/8" | 160 | 250 | 4,000 psi Concrete | 6 | Phillips | Block, Brick, Concrete | 10 | 000000000 | 00000 |
5/16" Dia. | |||||||||||||
| 2 1/2" | 1/4"-20 | 1 1/4" | 5/16" | 1 1/4" | 370 | 570 | 4,000 psi Concrete | 12 | Phillips | Block, Brick, Concrete | 10 | 000000000 | 0000 |
3/8" Dia. | |||||||||||||
| 2 3/4" | 5/16"-18 | 1 5/8" | 3/8" | 1 5/8" | 570 | 1,000 | 4,000 psi Concrete | 18 | Phillips | Block, Brick, Concrete | 10 | 000000000 | 0000 |
| 4" | 5/16"-18 | 2 5/8" | 3/8" | 1 5/8" | 570 | 1,000 | 4,000 psi Concrete | 18 | Phillips | Block, Brick, Concrete | 10 | 000000000 | 00000 |
| 5" | 5/16"-18 | 1 5/8" | 3/8" | 1 5/8" | 570 | 1,000 | 4,000 psi Concrete | 18 | Phillips | Block, Brick, Concrete | 10 | 000000000 | 00000 |
| 6" | 5/16"-18 | 1 5/8" | 3/8" | 1 5/8" | 570 | 1,000 | 4,000 psi Concrete | 18 | Phillips | Block, Brick, Concrete | 10 | 000000000 | 00000 |
Stud Anchors with Cap Nut for Block and Brick
An open-end cap nut provides a finished appearance. Also known as sleeve anchors, these have a sleeve that expands as you tighten the nut for a secure hold in block and brick. They're often used to mount shelving and anchor bollards and guard rails. A zinc plating provides corrosion resistance in wet environments. Pull-out strength and shear strength values are 25% of the ultimate values.
For technical drawings and 3-D models, click on a part number.
Thread | Strength, lbs. | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Size | Lg. | Washer OD | Nut Wd. | Drill Bit Size | Min. Installation Dp. | Pull-Out | Shear | Tested In | Required Installation Torque, ft.-lbs. | For Use In | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||||||||
1/4" Dia. | ||||||||||||||
| 1 1/8" | 10-24 | 1/2" | 1/2" | 3/8" | 1/4" | 1/2" | 160 | 250 | 4,000 psi Concrete | 2 | Block, Brick, Concrete | 25 | 000000000 | 000000 |
| 1 5/8" | 10-24 | 1 1/4" | 1/2" | 3/8" | 1/4" | 1/2" | 160 | 250 | 4,000 psi Concrete | 2 | Block, Brick, Concrete | 10 | 000000000 | 0000 |
| 2 5/8" | 10-24 | 2" | 1/2" | 3/8" | 1/4" | 1/2" | 160 | 250 | 4,000 psi Concrete | 2 | Block, Brick, Concrete | 10 | 000000000 | 0000 |
Flat Head Removable-Bolt Anchors for Block and Brick
Bolts are beveled under the head for a flush finish in countersunk holes. Also known as sleeve anchors, these have a sleeve that expands for a secure hold in block and brick. They're often used to hold steel and wood panels, doors, framing, and shelving. To install, tap the anchor into a hole and tighten the bolt to expand the sleeve. As you tighten, the nylon ring compresses to secure the fixture against the base material. Made from zinc plated steel, they resist corrosion in wet environments. Pull-out strength and shear strength values are 25% of the ultimate values.
For technical drawings and 3-D models, click on a part number.
Thread | Strength, lbs. | Drive | Each | Package | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Size | Lg. | Drill Bit Size | Min. Installation Dp. | Pull-Out | Shear | Tested In | Required Installation Torque, ft.-lbs. | Size | Style | For Use In | Each | Pkg. Qty. | Pkg. | ||
Zinc-Plated Steel—Grade 5 | ||||||||||||||||
3/8" Dia. | ||||||||||||||||
| 3 3/4" | 5/16"-18 | 7/8" | 3/8" | 2" | 1,100 | 1,600 | 4,000 psi Concrete | 25 | 7/32" | Hex | Block, Brick, Concrete | 000000000 | 00000 | 10 | 000000000 | 000000 |
| 5" | 5/16"-18 | 7/8" | 3/8" | 2" | 1,100 | 1,600 | 4,000 psi Concrete | 25 | 7/32" | Hex | Block, Brick, Concrete | 000000000 | 0000 | 10 | 000000000 | 00000 |
| 6" | 5/16"-18 | 7/8" | 3/8" | 2" | 1,100 | 1,600 | 4,000 psi Concrete | 25 | 7/32" | Hex | Block, Brick, Concrete | 000000000 | 0000 | 10 | 000000000 | 00000 |
1/2" Dia. | ||||||||||||||||
| 5" | 3/8"-16 | 1" | 1/2" | 2 1/2" | 1,600 | 2,000 | 4,000 psi Concrete | 45 | 5/16" | Hex | Block, Brick, Concrete | 000000000 | 0000 | 10 | 000000000 | 00000 |
5/8" Dia. | ||||||||||||||||
| 5 1/2" | 1/2"-13 | 1 1/8" | 5/8" | 2 3/4" | 1,900 | 2,900 | 4,000 psi Concrete | 100 | 3/8" | Hex | Block, Brick, Concrete | 000000000 | 0000 | 4 | 000000000 | 00000 |
Removable-Bolt Anchors for Concrete
Turn the bolt to expand the nut for a secure hold in concrete. These anchors are often used to anchor machinery. Bolts can be removed and reused in the same hole or used in a new hole along with a replacement expander nut (sold separately). To install, thread the nut onto the tapered bolt and insert into a hole. Made from zinc-plated steel, they resist corrosion in wet environments. Pull-out strength and shear strength values are 25% of the ultimate values.
For technical drawings and 3-D models, click on a part number.
Anchors | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Strength, lbs. | Each | Package | Replacement Expander Nuts | ||||||||||||||
| Lg. | Head Wd. | Thread Lg. | Drill Bit Size | Min. Install. Dp. | Pull-Out | Shear | Tested In | Required Installation Torque, ft.-lbs. | For Use In | Each | Pkg. Qty. | Pkg. | Pkg. Qty. | Pkg. | |||
Zinc-Plated Steel—Grade 5 | |||||||||||||||||
3/8" Dia. | |||||||||||||||||
| 2 1/4" | 9/16" | 3/4" | 3/8" | 1 7/8" | 1,000 | 1,700 | 3,000 psi Concrete | 40 | Concrete, Stone | 000000000 | 00000 | 50 | 000000000 | 000000 | 10 | 000000000 | 00000 |
| 3" | 9/16" | 3/4" | 3/8" | 1 7/8" | 1,000 | 1,700 | 3,000 psi Concrete | 40 | Concrete, Stone | 000000000 | 0000 | 25 | 000000000 | 00000 | 10 | 000000000 | 0000 |
| 4" | 9/16" | 3/4" | 3/8" | 1 7/8" | 1,000 | 1,700 | 3,000 psi Concrete | 40 | Concrete, Stone | 000000000 | 0000 | 25 | 000000000 | 00000 | 10 | 000000000 | 0000 |
1/2" Dia. | |||||||||||||||||
| 2 7/8" | 3/4" | 1 1/8" | 1/2" | 2 3/8" | 2,000 | 3,000 | 3,000 psi Concrete | 90 | Concrete, Stone | 000000000 | 0000 | 25 | 000000000 | 00000 | 10 | 000000000 | 00000 |
| 4" | 3/4" | 1 1/8" | 1/2" | 2 3/8" | 2,000 | 3,000 | 3,000 psi Concrete | 90 | Concrete, Stone | 000000000 | 0000 | 25 | 000000000 | 00000 | 10 | 000000000 | 00000 |
| 5" | 3/4" | 1 1/8" | 1/2" | 2 3/8" | 2,000 | 3,000 | 3,000 psi Concrete | 90 | Concrete, Stone | 000000000 | 0000 | 20 | 000000000 | 00000 | 10 | 000000000 | 00000 |
5/8" Dia. | |||||||||||||||||
| 3 1/2" | 15/16" | 1 3/8" | 5/8" | 2 7/8" | 2,400 | 4,200 | 3,000 psi Concrete | 125 | Concrete, Stone | 000000000 | 0000 | 20 | 000000000 | 000000 | 10 | 000000000 | 00000 |
| 4 1/2" | 15/16" | 1 3/8" | 5/8" | 2 7/8" | 2,400 | 4,200 | 3,000 psi Concrete | 125 | Concrete, Stone | 000000000 | 0000 | 10 | 000000000 | 00000 | 10 | 000000000 | 00000 |
3/4" Dia. | |||||||||||||||||
| 4 1/8" | 1 1/8" | 1 1/2" | 3/4" | 3 3/8" | 2,900 | 6,800 | 3,000 psi Concrete | 250 | Concrete, Stone | 000000000 | 0000 | 20 | 000000000 | 000000 | 5 | 000000000 | 0000 |
| 5 1/2" | 1 1/8" | 1 1/2" | 3/4" | 3 3/8" | 2,900 | 6,800 | 3,000 psi Concrete | 250 | Concrete, Stone | 000000000 | 0000 | 10 | 000000000 | 00000 | 5 | 000000000 | 0000 |
| 8" | 1 1/8" | 1 1/2" | 3/4" | 3 3/8" | 2,900 | 6,800 | 3,000 psi Concrete | 250 | Concrete, Stone | 000000000 | 00000 | 10 | 000000000 | 000000 | 5 | 000000000 | 0000 |
1" Dia. | |||||||||||||||||
| 5 5/8" | 1 1/2" | 2 1/8" | 1" | 4 5/8" | 7,000 | 9,000 | 3,000 psi Concrete | 550 | Concrete, Stone | 000000000 | 00000 | 10 | 000000000 | 000000 | 4 | 000000000 | 00000 |
| 7 1/4" | 1 1/2" | 2 1/8" | 1" | 4 5/8" | 7,000 | 9,000 | 3,000 psi Concrete | 550 | Concrete, Stone | 000000000 | 00000 | __ | 000000 | 00 | 4 | 000000000 | 00000 |