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All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Studs and Pins for Sheet Metal > Concealed Head Studs – Types CFHA, CFHC, CHA, CHC > Concealed-Head Studs - Types CHA,CFHA,CHC,CFHC - Metric > Part # CHC-M5-16
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PEM® Brand Fasteners for Metal Sheets and PanelsPEM® Brand Fasteners for Metal Sheets and Panels
Studs and Pins for Sheet MetalStuds and Pins for Sheet Metal
Concealed Head Studs – Types CFHA, CFHC, CHA, CHCConcealed Head Studs – Types CFHA, CFHC, CHA, CHC
Part # CHC-M5-16, Concealed-Head Studs - Types CHA,CFHA,CHC,CFHC - Metric CHC-M5-16Concealed-Head Studs - Types CHA,CFHA,CHC,CFHC - Metric Email This Page Download PDF Download PDF Printable Page
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Close Window These studs ensure permanent mounting in metal sheets as thin as 1.60mm.The fastener head is locked securely in a blind, milled hole and is able to handle substantial loads. The concealed-head feature allows the side of the sheet opposite installation to remain smooth.Sheet preparation only requires a milled blind hole to the recommended minimum depth. Center-cutting end mills for hole preparation are available from PennEngineering. Installation of the concealed-head studs and standoffs is simple using a hollow anvil and solid punch. Place the head of the fastener in the hole and insert using any standard press. Displaced sheet metal flows smoothly around the head into the undercut. Unit of Measure Imperial Metric Both
Specifications
Thread Size x Pitch
N/AM5 x 0.8
Thread Code
N/AM5
Length Code
N/A16
Material Code
N/AC
Min. Sheet Thickness
N/A1.60 mm
Blind Mounting Hole Diameter + 0.08
N/A7.93 mm
Min. Depth of Blind Hole1
N/A1.10 mm
L - Length ± 0.4
N/A16 mm
A Max.
N/A1.04 mm
E ± 0.25
N/A8.89 mm
C Max.
N/A7.9 mm
Min. Dist. Hole C/L to Edge
N/A6.40 mm
Max. Hole in Attached Parts
N/A5.60 mm
For Use in Sheet Hardness2
N/AHRB 70 / HB 125 or Less
Thread Specification
N/AExternal, ANSI / ASME B1.13M, 6g
Fastener Material
N/A300 Series Stainless Steel
Standard Finish
N/APassivated and/or Tested Per ASTM A380
CAD Supplier
N/APennEngineering® (PEM®)
1 Blind holes may be deeper than minimums except where sheet material is at or near minimum thickness. Fasteners should always be installed so the flange is flush with the surface of the sheet.
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/Asset/Concealed-Head-Studs.jpg 
/Asset/Concealed-Head-Studs.jpg 
