41550_Captive_2011_Text_Catalog 4/4/14 2:12 PM Page 56 Broaching-Type Standoffs Series CKFE & CKFSE CKFE and CKFSE threaded and non-threaded standoffs allow screws to be inserted through multiple layered boards for stacked assemblies. All fasteners from Captive Fastener are identical to industry standards so that they can be fed through standard automatic insertion equipment. B A 1.5 mm .060 in. max. Not stocked, available on special order. Series Material Finish CKFE Carbon Steel Electro Tin Plating ASTM B545 Class B (Zinc* Clear Optional) CKFSE 300 Series Stainless Steel Passivated ASTM A967 *See Finish Spec. on Page 6. Thread: Internal 2B, ANSI B1.1 (6H, ANSI/ASME B1.13M). Use in: CKFE - Materials with Rockwell Hardness of B-60 or less. CKFSE - Materials with Rockwell Hardness of B-70 or less. Note: CKFE & CKFSE broaching Part Number Structure: standoffs are designed for unplated through-holes. When installed in CKFE 440-4 E plated through-holes, a hole tolerance of +.005 - .001 in. Length Code L (+.13 - .03 mm) should be used. Thread/Hole Size When used in plated through-holes performance will be reduced and Note: Min Panel Thickness .060 in. (1.5mm) Series plating may be damaged by knurl. METRIC (mm) INCH (in.) Dimensions & Specifications Thru Hole L Thread +.004 Part Number Length .005 in. A B +.003 Size -.003 Carbon Steel Stainless Steel .125 .250 .375 .500 .625 .750 .875 .003 .005 -.000 #4-40 CKFE440 CKFSE440 -4 -8 -12 -16 -20 -24 .184 .219 .166 #6-32 CKFE632 CKFSE632 -4 -8 -12 -16 -20 -24 -28 .231 .281 .213 .116 CKFE116 CKFSE116 -4 -8 -12 -16 -20 -24 .184 .219 .166 .143 CKFE143 CKFSE143 -4 -8 -12 -16 -20 -24 -28 .231 .281 .213 E=minimum thread length Full .375 .015 Thread +.10 Part Number Length .13 mm A B +.08 .08 .13 -.00 Size -.08 Carbon Steel Stainless Steel 3 4 6 8 10 12 14 16 M3x0.5 CKFEM3 CKFSEM3 -3 -4 -6 -8 -10 -12 -14 -16 4.68 5.56 4.22 3.6 CKFE3.6 CKFSE3.6 -3 -4 -6 -8 -10 -12 -14 -16 5.87 7.14 5.41 4.2 CKFE4.2 CKFSE4.2 -3 -4 -6 -8 -10 -12 -14 -16 6.86 8.74 6.4 E=minimum thread length (where applicable) Full 9.5 .4 Min. .17 .22 .17 .22 Min. 4.4 5.5 7.1 Installation & Performance Data METRIC (mm) INCH (in.) Fiberglass .060 in. (1.5 mm) 56 Thread Size #4-40 #6-32 Thread Size M3 Installation Force (lbs.) 400 500 Installation Force (kN) 2.22 Pushout (lbs.) 65 80 Pushout (N) 295 Torque-out (in.-lbs.) 14 29 Torque-out (N*m) 1.35 captive fastener corporation 201-337-6800 FAX: 201-337-1012 * www.captive-fastener.com 2014