Curtain wall fasteners
SFS brings a broad assortment of fasteners specially designed for demanding curtain wall applicationsÂ
Whether you need to connect dissimilar metals or operate in a high-corrosive environment, we have the curtain wall fasteners strong enough to endure. Our comprehensive range of screws address various applications, and our in-house engineers can customize curtain wall fasteners for unique requirements.Â
Flex5 Grade 5 performance fasteners
Intertek Evaluation
Flex5 products are listed on Intertek Evaluation Report CCRR-0347
Product group overview brochure
#10-16 Flex5
Selectively hardened fastener with Grade 5 performance (RC28-34)
Listed on Intertek Evaluation Report CCRR-0347
- Self-drill point #3
- Drill & tap capacity: 0.150"
- Diameter:Â #10 with 16 threads per inch
- Head: 5/16" AF hex washer head
- Available lengths:Â 3/4"
#12-14 Flex5
Selectively hardened fastener with Grade 5 performance (RC28-34)
Listed on Intertek Evaluation Report CCRR-0347
- Self-drill point #3
- Drill & tap capacity: 0.187"
- Diameter:Â #12 with 14 threads per inch
- Head: 5/16" AF hex washer head
- Available lengths:Â 7/8", 1", 1-1/2", 2"
1/4-14 Flex5
Selectively hardened fastener with Grade 5 performance (RC28-34)
Listed on Intertek Evaluation Report CCRR-0347
- Self-drill point #3
- Drill & tap capacity: 0.187"
- Diameter:Â 1/4" with 14 threads per inch
- Head: 3/8" AF hex washer head
- Available lengths:Â 1", 1-1/2", 2"
1/4-20 Flex5
Selectively hardened fastener with Grade 5 performance (RC28-34)
Listed on Intertek Evaluation Report CCRR-0347
- Self-drill point #4
- Drill & tap capacity: 0.312"
- Diameter:Â 1/4" with 20 threads per inch
- Head: 3/8" AF hex washer head
- Available lengths:Â 1-1/8", 1-1/2", 2", 2-1/2"
Bi-Met 300 fasteners
Intertek Evaluation
1/4" diameter Bi-Met 300 products are listed on Intertek Evaluation Report CCRR-0387
Product group overview brochure
10-16 SD2 Bi-Met 300®
For light and medium gauge metal connections, curtain wall and building envelope attachment or dissimilar metal connections
- 304 stainless (bi-met) with carbon drill point
- Low hex washer head for ACM/MCM framing
- Drill capacity: 0.105" (2.7 mm) max
- Diameter: #10 with 16 threads per inch
- Head: 5/16" AF hex washer head
12-14 SD3 Bi-Met 300®
For light and medium gauge metal connections, curtain wall and building envelope attachment or dissimilar metal connections
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: 0.210" (5.3 mm) max
- Diameter: #12 with 14 threads per inch
- Head: 5/16" AF hex washer head
12-24 SD5 Bi-Met 300®
For heavy gauge metal connections, curtain wall and building envelope attachment or dissimilar metal connections
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: 0.500" (12.7 mm) max
- Diameter: #12 with 24 threads per inch
- Head: 5/16" AF hex washer head
12-14 SD3 Pancake Bi-Met 300®
For light and medium gauge metal connections, curtain wall and building envelope attachment, standing seam clip attachment or dissimilar metal connections
- 304 stainless (bi-met) with carbon drill point
- Flat head for visible attachments
- Drill capacity: 0.210" (5.3 mm) max steel
- Diameter: #12 with 14 threads per inch
- Head: Pancake #2 square
1/4-14 SD2 Bi-Met 300®
For light and medium gauge metal connections, curtain wall and building envelope attachment or dissimilar metal connections
Listed on Intertek Evaluation Report CCRR-0387
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: 0.105" (2.7 mm) max
- Diameter: 1/4" with 14 threads per inch
- Head: 3/8" AF hex washer head
1/4-20 SD4 Bi-Met 300®
For heavy gauge metal connections, curtain wall and building envelope attachment or dissimilar metal connections
Listed on Intertek Evaluation Report CCRR-0387
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: 0.312" (7.9 mm) max
- Diameter: 1/4" with 20 threads per inch
- Head: 3/8" AF hex washer head
1/4-20 SD5 Bi-Met 300®
For heavy gauge metal connections, curtain wall and building envelope attachment or dissimilar metal connections
Listed on Intertek Evaluation Report CCRR-0387
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: 0.500" (12.7 mm) max
- Diameter: 1/4" with 20 threads per inch
- Head: 3/8" AF hex washer head
SX HWH bi-metal fasteners
SX3 Stainless Self-Drill
Ideal for light gauge metal to metal
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: .035"–.098" (.88–2.5 mm)
- For max build up to .787" (20 mm)
- Diameter: #14 with 11 threads per inch
- Head: 5/16" AF hex washer head
- Available with 5/8" stainless bond seal washer
SX5 Stainless Self-Drill
Ideal for medium thickness metal to metal
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: .060"–.157" (1.5–4 mm)
- Diameter: #12 with 11 threads per inch
- Head: 5/16" AF hex washer head
- Available with 5/8" stainless bond seal washer
SX14 Stainless Self-Drill
Ideal for heavy-duty metal to metal
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: .157"–.550" (4–14 mm)
- For max build up to 2.283" (58 mm)
- Diameter: #12 with 14 threads per inch
- Head: 5/16" AF hex washer head
- Available with 5/8" stainless bond Seal washer
Curtain wall fasteners
SFS brings a broad assortment of fasteners specially designed for demanding curtain wall applicationsÂ
Whether you need to connect dissimilar metals or operate in a high-corrosive environment, we have the curtain wall fasteners strong enough to endure. Our comprehensive range of screws address various applications, and our in-house engineers can customize curtain wall fasteners for unique requirements.Â
Flex5 Grade 5 performance fasteners
Intertek Evaluation
Flex5 products are listed on Intertek Evaluation Report CCRR-0347
Product group overview brochure
#10-16 Flex5
Selectively hardened fastener with Grade 5 performance (RC28-34)
Listed on Intertek Evaluation Report CCRR-0347
- Self-drill point #3
- Drill & tap capacity: 0.150"
- Diameter:Â #10 with 16 threads per inch
- Head: 5/16" AF hex washer head
- Available lengths:Â 3/4"
#12-14 Flex5
Selectively hardened fastener with Grade 5 performance (RC28-34)
Listed on Intertek Evaluation Report CCRR-0347
- Self-drill point #3
- Drill & tap capacity: 0.187"
- Diameter:Â #12 with 14 threads per inch
- Head: 5/16" AF hex washer head
- Available lengths:Â 7/8", 1", 1-1/2", 2"
1/4-14 Flex5
Selectively hardened fastener with Grade 5 performance (RC28-34)
Listed on Intertek Evaluation Report CCRR-0347
- Self-drill point #3
- Drill & tap capacity: 0.187"
- Diameter:Â 1/4" with 14 threads per inch
- Head: 3/8" AF hex washer head
- Available lengths:Â 1", 1-1/2", 2"
1/4-20 Flex5
Selectively hardened fastener with Grade 5 performance (RC28-34)
Listed on Intertek Evaluation Report CCRR-0347
- Self-drill point #4
- Drill & tap capacity: 0.312"
- Diameter:Â 1/4" with 20 threads per inch
- Head: 3/8" AF hex washer head
- Available lengths:Â 1-1/8", 1-1/2", 2", 2-1/2"
Bi-Met 300 fasteners
Intertek Evaluation
1/4" diameter Bi-Met 300 products are listed on Intertek Evaluation Report CCRR-0387
Product group overview brochure
10-16 SD2 Bi-Met 300®
For light and medium gauge metal connections, curtain wall and building envelope attachment or dissimilar metal connections
- 304 stainless (bi-met) with carbon drill point
- Low hex washer head for ACM/MCM framing
- Drill capacity: 0.105" (2.7 mm) max
- Diameter: #10 with 16 threads per inch
- Head: 5/16" AF hex washer head
12-14 SD3 Bi-Met 300®
For light and medium gauge metal connections, curtain wall and building envelope attachment or dissimilar metal connections
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: 0.210" (5.3 mm) max
- Diameter: #12 with 14 threads per inch
- Head: 5/16" AF hex washer head
12-24 SD5 Bi-Met 300®
For heavy gauge metal connections, curtain wall and building envelope attachment or dissimilar metal connections
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: 0.500" (12.7 mm) max
- Diameter: #12 with 24 threads per inch
- Head: 5/16" AF hex washer head
12-14 SD3 Pancake Bi-Met 300®
For light and medium gauge metal connections, curtain wall and building envelope attachment, standing seam clip attachment or dissimilar metal connections
- 304 stainless (bi-met) with carbon drill point
- Flat head for visible attachments
- Drill capacity: 0.210" (5.3 mm) max steel
- Diameter: #12 with 14 threads per inch
- Head: Pancake #2 square
1/4-14 SD2 Bi-Met 300®
For light and medium gauge metal connections, curtain wall and building envelope attachment or dissimilar metal connections
Listed on Intertek Evaluation Report CCRR-0387
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: 0.105" (2.7 mm) max
- Diameter: 1/4" with 14 threads per inch
- Head: 3/8" AF hex washer head
1/4-20 SD4 Bi-Met 300®
For heavy gauge metal connections, curtain wall and building envelope attachment or dissimilar metal connections
Listed on Intertek Evaluation Report CCRR-0387
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: 0.312" (7.9 mm) max
- Diameter: 1/4" with 20 threads per inch
- Head: 3/8" AF hex washer head
1/4-20 SD5 Bi-Met 300®
For heavy gauge metal connections, curtain wall and building envelope attachment or dissimilar metal connections
Listed on Intertek Evaluation Report CCRR-0387
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: 0.500" (12.7 mm) max
- Diameter: 1/4" with 20 threads per inch
- Head: 3/8" AF hex washer head
SX HWH bi-metal fasteners
SX3 Stainless Self-Drill
Ideal for light gauge metal to metal
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: .035"–.098" (.88–2.5 mm)
- For max build up to .787" (20 mm)
- Diameter: #14 with 11 threads per inch
- Head: 5/16" AF hex washer head
- Available with 5/8" stainless bond seal washer
SX5 Stainless Self-Drill
Ideal for medium thickness metal to metal
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: .060"–.157" (1.5–4 mm)
- Diameter: #12 with 11 threads per inch
- Head: 5/16" AF hex washer head
- Available with 5/8" stainless bond seal washer
SX14 Stainless Self-Drill
Ideal for heavy-duty metal to metal
- 304 stainless (bi-met) with carbon drill point
- Drill capacity: .157"–.550" (4–14 mm)
- For max build up to 2.283" (58 mm)
- Diameter: #12 with 14 threads per inch
- Head: 5/16" AF hex washer head
- Available with 5/8" stainless bond Seal washer