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Railing Infill

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B110-10Threaded Nipple with flats
Our most popular fitting. A simple and cost effective solution for infill termination. Fully concealed threads and wrench flats for adjustment. Mounts to backside of stanchion, which can be counterbored for a flush appearance.
Also available with beveled washer.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B110-10-188
14.2 mm 0.56 in
41.4 mm 1.63 in
9.7 mm 0.38 in
16.0 mm 0.63 in
A22-0188
4.8 mm 0.19 in
Select Products
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B110-10-250
16.0 mm 0.63 in
41.4 mm 1.63 in
11.2 mm 0.44 in
16.0 mm 0.63 in
A22-0250
6.4 mm 0.25 in
B110-11Threaded Nipple with flats and beveled washer
Same fitting as the B110-10 with an added beveled washer for use on stairs and slopes. Order by specifying slope angle off of horizontal.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B110-11-188
14.2 mm 0.56 in
41.4 mm 1.63 in
9.7 mm 0.38 in
16.0 mm 0.63 in
Specify on following page
A22-0188
4.8 mm 0.19 in
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B110-11-250
16.0 mm 0.63 in
41.4 mm 1.63 in
11.2 mm 0.44 in
16.0 mm 0.63 in
Specify on following page
A22-0250
6.4 mm 0.25 in
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B110-20Threaded Nipple with hex key
Simple and cost effective solution for infill termination. Fully concealed threads and hex drive for adjustment when flats on B110-10 are not accessible. Mounts to backside of stanchion, which can be counterbored for a flush appearance.
Also available with beveled washer.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B110-20-188
14.2 mm 0.56 in
31.8 mm 1.25 in
9.7 mm 0.38 in
16.0 mm 0.63 in
A22-0188
4.8 mm 0.19 in
Select Products
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B110-20-250
16.0 mm 0.63 in
41.4 mm 1.63 in
11.2 mm 0.44 in
16.0 mm 0.63 in
A22-0250
6.4 mm 0.25 in
B110-21Threaded Nipple with hex key and beveled washer
Same fitting as the B110-20 with an added beveled washer for use on stairs and slopes. Order by specifying slope angle off of horizontal.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B110-21-188
14.2 mm 0.56 in
31.8 mm 1.25 in
9.7 mm 0.38 in
16.0 mm 0.63 in
Specify on following page
A22-0188
4.8 mm 0.19 in
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B110-21-250
16.0 mm 0.63 in
41.4 mm 1.63 in
11.2 mm 0.44 in
16.0 mm 0.63 in
Specify on following page
A22-0250
6.4 mm 0.25 in
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B110-30Threaded Nipple with spherical head
Spherical head on nipple allows for rotation to accommodate multiple angles. Fully concealed threads and wrench flats for adjustment.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B110-30-188
16.0 mm 0.63 in
41.4 mm 1.63 in
16.0 mm 0.63 in
0.38
A22-0188
4.8 mm 0.19 in
Select Products
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B110-30-250
16.5 mm 0.65 in
41.4 mm 1.63 in
11.2 mm 0.44 in
16.0 mm 0.63 in
A22-0250
6.4 mm 0.25 in
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B115-10Nipple Tang Assembly Bushing
The standard choice for straight runs, where mounting to the inside face of stanchion is required. Also used for terminating mid run. Can be supplied with many different mounting options.
Also available with bushing+lag, threaded stud, and cap+screw.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B115-10-188
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
A22-0188
4.8 mm 0.19 in
Select Products
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-10-250
25.4 mm 1.00 in
31.8 mm 1.25 in
16.0 mm 0.63 in
0.00
A22-0250
6.4 mm 0.25 in
B115-11Nipple Tang with threaded stud
A B115-10 fitting with supplied 3/4-16 threaded stud. Typically used when nipple tang assemblies are used back to back on a stanchion.
Compatible Rod:
A11
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B115-11-188
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
A22-0188
4.8 mm 0.19 in
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B115-11-250
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
A22-0250
6.4 mm 0.25 in
B115-12Nipple Tang with cap and screw
A B115-10 fitting with supplied cap screw and beauty cap for the backside of stanchion. Typically used at the end of an infill run.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B115-12-188
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
A22-0188
4.8 mm 0.19 in
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B115-12-250
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
A22-0250
6.4 mm 0.25 in
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B115-20Nipple Tang with sph nipple +/-5 degrees any direction
Accommodates +/- 5 degrees of rotation in all directions. Use when there is a slight curve in the railing structure, or a gradual slope.
Also available with sph nipple+lag, sph nipple+threaded stud, and cap+screw.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-20-188
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
0-5
A22-0188
4.8 mm 0.19 in
Select Products
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-20-250
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
0-5
A22-0250
6.4 mm 0.25 in
B115-21Nipple Tang with sph nipple and threaded stud
A B115-20 fitting with supplied 3/4-16 threaded stud. Typically used when nipple tang assemblies are used back to back on a stanchion.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-21-188
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
0-5
A22-0188
4.8 mm 0.19 in
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-21-250
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
0-5
A22-0250
6.4 mm 0.25 in
B115-22Nipple Tang with sph nipple, cap and screw
A B115-20 fitting with supplied cap screw and beauty cap for the backside of stanchion. Typically used at the end of an infill run.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-22-188
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
0-5
A22-0188
4.8 mm 0.19 in
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-22-250
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
0-5
A22-0250
6.4 mm 0.25 in
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B115-30Nipple Tang for angled conditions with bushing
Use when large angles are present, in locations such as stairs. Accommodates angles in 25 degree increments. Specify 0-25 degrees, or 25-50 degrees when ordering (larger angles available on a custom basis).
Also available with bushing+lag, threaded stud, and cap+screw.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-30-188-0025
25.4 mm 1.00 in
38.1 mm 1.50 in
0.0 mm 0.00 in
16.0 mm 0.63 in
0-25
A22-0188
4.8 mm 0.19 in
Select Products
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-30-250-0025
25.4 mm 1.00 in
38.1 mm 1.50 in
0.0 mm 0.00 in
16.0 mm 0.63 in
0-25
A22-0250
6.4 mm 0.25 in
Select Products
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-30-188-2550
25.4 mm 1.00 in
38.1 mm 1.50 in
0.0 mm 0.00 in
16.0 mm 0.63 in
25-50
A22-0188
4.8 mm 0.19 in
Select Products
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-30-250-2550
25.4 mm 1.00 in
38.1 mm 1.50 in
0.0 mm 0.00 in
16.0 mm 0.63 in
25-50
A22-0250
6.4 mm 0.25 in
B115-31
A B115-30 fitting with supplied 3/4-16 threaded stud. Typically used when nipple tang assemblies are used back to back on a stanchion.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-31-188-0025
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
0-25
A22-0188
4.8 mm 0.19 in
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-31-250-0025
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
0-25
A22-0250
6.4 mm 0.25 in
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-31-188-2550
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
25-50
A22-0188
4.8 mm 0.19 in
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-31-250-2550
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
25-50
A22-0250
6.4 mm 0.25 in
B115-32Nipple Tang for angled conditions with cap and screw
A B115-30 fitting with supplied cap screw and beauty cap for the backside of stanchion. Typically used at the end of an angled infill run.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-32-188-0025
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
0-25
A22-0188
4.8 mm 0.19 in
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-32-250-0025
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
0-25
A22-0250
6.4 mm 0.25 in
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-32-188-2550
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
25-50
A22-0188
4.8 mm 0.19 in
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B115-32-250-2550
25.4 mm 1.00 in
31.8 mm 1.25 in
0.0 mm 0.00 in
16.0 mm 0.63 in
25-50
A22-0250
6.4 mm 0.25 in
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B120-10Turnbuckle with tensioner hole
Thread concealing turnbuckle adds length adjustment and couples rods together to bridge long spans. With center hole for tightening.
Also available with wrench flats.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B120-10-188
7.9 mm 0.31 in
76.2 mm 3.00 in
0.0 mm 0.00 in
25.4 mm 1.00 in
A22-0188
4.8 mm 0.19 in
Select Products
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B120-10-250
7.9 mm 0.31 in
76.2 mm 3.00 in
0.0 mm 0.00 in
25.4 mm 1.00 in
A22-0188
4.8 mm 0.19 in
B120-15Turnbuckle with wrench flats
Thread concealing turnbuckle adds length adjustment and couples rods together to achieve long spans. Wrench flats at each end allow turnbuckle to sit at in a stanchion hole and still be adjusted.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B120-15-188
7.9 mm 0.31 in
76.2 mm 3.00 in
0.0 mm 0.00 in
25.4 mm 1.00 in
A22-0188
4.8 mm 0.19 in
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B120-15-250
9.7 mm 0.38 in
76.2 mm 3.00 in
0.0 mm 0.00 in
25.4 mm 1.00 in
A22-0250
6.4 mm 0.25 in
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B125-10Headed rod in seat (no adjustment)
Cold formed rod head sits flush in a stainless steel cap to provide a simple solution for terminating a rod. Cap can be coped to accommodate round stanchions. A turnbuckle must be used with this termination to provide system adjustment.
Also available with ball fitting.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B125-10-188
12.7 mm 0.50 in
4.8 mm 0.19 in
0.0 mm 0.00 in
0.0 mm 0.00 in
A22-0188
4.8 mm 0.19 in
Select Products
Take Up.
Angle (A)
Compatible Rod
Rod Diameter
B125-10-250
16.0 mm 0.63 in
6.4 mm 0.25 in
0.0 mm 0.00 in
0.00
A22-0250
6.4 mm 0.25 in
B125-15Headed rod in ball (no adjustment)
Cold formed rod head sits flush in a stainless steel ball to provide a simple solution for terminating a rod. This must be used with a turnbuckle to provide system adjustment. Can be paired with a tang cap for unique solutions.
Compatible Rod:
A22
Medium Strength Stainless Steel Rod
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B125-15-188
11.2 mm 0.44 in
0.0 mm 0.00 in
0.0 mm 0.00 in
0.0 mm 0.00 in
A22-0188
4.8 mm 0.19 in
Select Products
Diameter (D)
Length (L)
Shank Diam(SD).
Take Up.
Compatible Rod
Rod Diameter
B125-15-250
17.5 mm 0.69 in
0.0 mm 0.00 in
0.0 mm 0.00 in
0.0 mm 0.00 in
A22-0250
6.4 mm 0.25 in
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Railing Infill Design Basics

TriPyramid medium strength rod provides the perfect foundation for an inspired railing system. Its smooth, brushed surface makes it easy to keep clean, and its high yield strength makes it virtually kink-proof. Typical sizes for infill rod are 3/16-inch [4.8mm] and 1/4-inch [6.4mm] diameter, which creates a safe barrier without compromising visual clarity. When compared to cable infill systems, rod provides less deflection under load and allows for compact end fittings.

Whether retrofitting an existing system or designing for new construction, an attractive and cost-effective solution begins with the end fittings. The adjusting nipple is the most frequently used fitting from the TriPyramid line. It serves as both a length adjuster and rod termination. Beveled washers are available to accommodate any stair angle and can be coped to accommodate round stanchions. Nipple tangs, either straight or swivel, are a cap assembly used for attaching to wood stanchions or walls. Turnbuckles are used for mid-span adjustment. All railing fittings are designed to conceal the rod threads for a clean and refined appearance. Fittings are type 304 stainless steel with a brushed finish. Other materials and finishes are available on a custom basis.

Use the following component guide to design your railing system and request a quote. Our standard product line has been optimized to provide solutions for typical railing designs; however, we would be happy to assist in designing custom components if you can’t find assemblies to satisfy your job specifications. Please do not hesitate to contact us.

SELECT RAILING COMPONETS