Huijin – Leading Suppliers of Perforated Sheet Metal | Round & Square Hole Designs

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Choose from Thousands of Patterns or Have us Create Custom Patterns for You

There are more than 4,000 different perforated patterns that Diamond can offer you. And if we do not have the right pattern or tool on hand, we can create it according to your exact specifications. In the event we do not have your desired pattern among our existing tools, we will either quote an alternative pattern that is close to what you want or obtain the price to have our on-site tool and die shop build a proprietary tool specifically for your needs. No need to look elsewhere, Diamond is your customized pattern partner.

Sheet 1

Hole: 0.84″
Centers: 1.4″
Open Area: 29%

DWG PDF 		Sheet 4

Hole: 3.96″
Centers: 4.75″
Open Area: 63%

DWG PDF 		Sheet 3

Hole: 3.96″
Centers: 5.54″
Open Area: 46%

DWG PDF 		Sheet 2

Hole: 4.75″
Centers: 6.35″
Open Area: 51%

DWG PDF
Sheet 1

Hole: 4.76″
Centers: 7.92″
Open Area: 33%

DWG PDF 		Sheet 2

Hole: 9.52″
Centers: 12.7″
Open Area: 22.19%

DWG PDF 		Sheet 3

Hole: 7.92″
Centers: 11.1″
Open Area: 46%

DWG PDF 		Sheet 4

Hole: 0.125″
Centers: 0.188″
Open Area: 40.09%

DWG PDF
Sheet 4

Hole: 6.35″
Centers: 7.92″
Open Area: 58%

DWG PDF 		Sheet 3

Hole: 6.35″
Centers: 9.53″
Open Area: 40%

DWG PDF 		Sheet 2

Hole: 6.35″
Centers: 12.7″
Open Area: 22.19%

DWG PDF 		Sheet 1

Hole: 6.35″
Centers: 25.4″
Open Area: 5%

DWG PDF
Sheet 1

Hole: 9.52″
Centers: 14.27″
Open Area: 40%

DWG PDF 		Sheet 3

Hole: 19.05″
Centers: 25.4″
Open Area: 58%

DWG PDF 		Sheet 4

Hole: 12.7″
Centers: 17.45″
Open Area: 48%

DWG PDF 		Sheet 2

Hole: 25.4″
Centers: 25.4″
Open Area: 58%

DWG PDF
Sheet 1

Hole: 5.08″
Centers: 6.35″
Open Area: 64%

DWG PDF 		Sheet 2

Hole: 6.35″
Centers: 9.53″
Open Area: 44.4%

DWG PDF 		Sheet 3

Hole: 6.35″
Centers: 11.1″
Open Area: 32.6%

DWG PDF 		Sheet 4

Hole: 6.35″
Centers: 19.05″
Open Area: 11.1%

DWG PDF
Sheet 1

Hole: 6.35″
Centers: 22.23″
Open Area: 8.2%

DWG PDF 		Sheet 2

Hole: 7.9″
Centers: 8.7″
Open Area: 82.3%

DWG PDF 		Sheet 3

Hole: 7.9″
Centers: 11.1″
Open Area: 50.7%

DWG PDF 		Sheet 4

Hole: 7.9″
Centers: 12.7″
Open Area: 38.9%

DWG PDF
Sheet 1

Hole: 1.19✖4.78″
Centers: 7.19″
Open Area: 23.6%

DWG PDF 		Sheet 2

Hole: 1.57✖6.35″
Centers: 9.53″
Open Area: 28%

DWG PDF 		Sheet 3

Hole: 1.57✖12.7″
Centers: 16.66″
Open Area: 23.8%

DWG PDF 		Sheet 4

Hole: 2.36✖12.7″
Centers: 19.05″
Open Area: 38.4%

DWG PDF
Sheet 2

Hole: 2.39✖12.7″
Centers: 15.88″
Open Area: 38.4%

DWG PDF 		Sheet 3

Hole: 2.39✖17.53″
Centers: 22.6″
Open Area: 24.1%

DWG PDF 		Sheet 4

Hole: 3.18✖19.05″
Centers: 22.23″
Open Area: 41.3%

DWG PDF 		Sheet 1

Hole: 3.18✖25.4″
Centers: 28.6″
Open Area: 43.3%

DWG PDF
Sheet 1

Hole: 11.43″
Centers: 12.7″
Open Area: 81%

DWG PDF 		Sheet 2

Hole: 8″
Centers: 8.69″
Open Area: 84.8%

DWG PDF 		Sheet 3

Hole: 6.35″
Centers: 11.1″
Open Area: 32.6%

DWG PDF 		Sheet 4

Hole: 6.35″
Centers: 7.62″
Open Area: 69.4%

DWG PDF
Sheet 1

Hole: 6.35″
Centers: 7.2″
Open Area: 76.9%

DWG PDF 		Sheet 2

Hole: 5″
Centers: 6.5″
Open Area: 59.2%

DWG PDF 		Sheet 3

Hole: 4.4″
Centers: 6.35″
Open Area: 49%

DWG PDF 		Sheet 4

Hole: 12.7″
Centers: 14.2″
Open Area: 38.9%

DWG PDF