CH 1115
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CONCEALED-HEAD SELF-CLINCHING STUDS AND STANDOFFS

CONCEALED-HEAD SELF-CLINCHING STUDS AND STANDOFFS Concealed-head self-clinching studs and standoffs install permanently and promote smooth designs: • Install permanently in steel or aluminum sheets as thin as .062” / 1.6 mm to provide strong and reusable threads for mating hardware in a wide range of assembly applications. • Allow the side of the sheet opposite installation to remain smooth and unmarred. • One side installation additionally serves to satisfy strict ingress protection (IP) requirements where the sheet must remain completely sealed from air, liquid, dust, gases or other...

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CONCEALED-HEAD SELF-CLINCHING STUDS AND STANDOFFS ALUMINUM AND STAINLESS STEEL STUDS - TYPES CHA, CFHA, CHC AND CFHC L Dimple (Registered Trademark) .062” / 1.6 mm Max. Clinching profile may vary. All dimensions are in inches. L ength Code “L” ±.015 Blind Min. Type Min. Mounting Depth Max. (Length code is in 16ths of an inch) Thread Thread Hole Dia. of Blind Sheet A E C Min. Dist. Hole In Size Code Thick- +.003 Hole (Shank) ±.010 Max. Hole CL Attached Stainless ness To .250 .375 .500 .625 .750 1.00 Aluminum Steel -.000 (1) Max. Edge Parts .205 .171 .156 .135 Min. Type Min. Max. Blind Depth...

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CONCEALED-HEAD SELF-CLINCHING STUDS AND STANDOFFS STAINLESS STEEL STANDOFFS - TYPES CSS AND CSOS Style #2 TYPE CSOS Two Groove (Registered Trademark) Clinching profile may vary. All dimensions are in inches. Min. Length Code “L” +.002 –.005 Blind Min. Depth Min. Min. (Length code is in 16ths of an inch) Type Mounting of Depth A B C H Dist. Thread Thread Sheet Hole Dia. Blind Full (Shank) Max. Max. Nom. HoleC/L Size Code Thick- +.003 Thread Max. (5) Stainless ness Hole To Edge .187 .250 .312 .375 .500 .625 .750 1.00 Steel -.000 (4) F UNIFIED Min. Blind Type Min. Depth Min. Min. Thread...

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CONCEALED-HEAD SELF-CLINCHING STUDS AND STANDOFFS MATERIAL AND FINISH SPECIFICATIONS Threads Fastener Materials Finish Passivated Type External, Internal, 300 Series and/or ASME B1.1 2A / ASME B1.1 2B / Aluminum Stainless Steel No Finish tested per ASME B1.13M, 6g ASME B1.13M, 6H A380 ASTM For Use In Sheet Hardness (1) HRB 70 / HB 125 or Less (1) HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell. Types CFHA, CFHC, CHC, CHA Concealed-head studs Types CSOS, CSS Concealed-head standoffs 1. Mill a round blind hole to the correct minimum depth. 2. Place fastener into anvil hole. 3. Place...

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CONCEALED-HEAD SELF-CLINCHING STUDS AND STANDOFFS (1) Published installation forces are for general reference. Actual set-up and confirmation of complete installation should be made by observing proper seating of fastener as described in the installation steps. Other performance values reported are averages when all proper installation parameters and procedures are followed. Variations in mounting hole size, sheet material, and installation procedure may affect performance. Performance testing this product in your application is recommended. We will be happy to provide technical assistance...

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