Broaching-Type Studs Series CKFH CKFH broaching-type studs are electroplated with tin so they are readily solderable. Thus, they can be used both as solderable connectors and as permanently mounted .020 in. .09 in. mechanical fasteners. .51 mm (2.3 mm) max. Part Number Structure: CKFH 440-4 Length Code Thread Code Series max. D L Shank profile may vary. Series Material CKFH Phosphor Bronze CDA-510 Finish Electro Tin Plating ASTM B545 Class B (Zinc* Optional) *See Finish Spec. on Page 6. Thread: External 2A, ANSI B1.1 (6g ANSI/ASME B1.13M).** Use in: Materials with Rockwell Hardness of B-55 or less. **See Note 3 on Page 6 for Gauging Spec. METRIC (mm) INCH (in.) Dimensions & Specifications Thread Size #4-40 #6-32 #8-32 #10-32 Thread Size M3x0.5 M4x0.7 M5x0.8 Part Number CKFH440 CKFH632 CKFH832 CKFH1032 Part Number CKFHM3 CKFHM4 CKFHM5 Max. Size Clear. L Hole in Length .010 in. D +.003 Attach. .250 .312 .375 .500 .625 .750 .010 -.000 Parts -4 -5 -6 -8 -10 -12 .18 .120 .145 -4 -5 -6 -8 -10 -12 .20 .140 .170 -5 -6 -8 -10 -12 .225 .166 .195 -6 -8 -10 -12 .25 .189 .220 Max. Size Clear. L Hole in Length .25 mm D +.08 Attach. 6 8 10 12 15 18 .25 -.00 Parts -6 -8 -10 -12 -15 -18 4.58 3 3.7 -6 -8 -10 -12 -15 -18 5.74 4.2 4.8 -6 -8 -10 -12 -15 -18 6.60 5 5.8 Max. Nut Tight. Torque (in.-lbs.) 4 8 15 18 Max. Nut Tight. Torque .45 1.60 2.10 Min. .15 .19 .20 .20 Anvil Hole +.003 -.000 Min. .113 .060 .140 .060 .166 .060 .191 .060 Min. 3.8 5.1 5.3 Anvil Hole +.08 -.00 3.1 4.1 5.1 Min. 1.53 1.53 1.53 Installation & Performance Data 2014 INCH (in.) Thread Size #4-40 #6-32 #8-32 Installation Force (lbs.) 400 400 400 Pushout (lbs.) 65 70 80 Torque-out (in.-lbs.) 7 11 16 METRIC (mm) Fiberglass .060 in. (1.5 mm) #10-32 Thread Size M3 M4 M5 400 Installation Force (kN) 1.80 1.80 1.80 90 Pushout (N) 285 355 400 17 Torque-out (N*m) .79 1.80 1.92 www.captive-fastener.com * 201-337-6800 FAX: 201-337-1012 captive fastener corporation 57