1、For General Specifications, see ESP-D-1.101-GS. This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2008 by Navistar, Inc. SEPTEMBER 2008 Page 1 of 2 NAVISTA
2、R, INC. Engineering Standard Parts NUMBER: ESP-D-20.101-PP TITLE: Hexagon Washer Head Tapping Screws Types C, D, F and T Preferred Parts (Noun Code 7450) CURRENT ISSUE DATE: September 2008 WRITTEN/REVIEWED BY: Corporate Technical Standards APPROVED BY: Corporate Technical Standards SUPERSEDES ISSUE
3、OF: August 2006 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION Change Notice: Added 40380R1 (5/16-18 x 1-1/2 STL ZN6A). International Truck and Engine Corporation replaced by Navistar, Inc. per corporate directive. Dimensions in inches: Nominal SizeThreads Per InchK F E G H P
4、W J R U V Body Diameter Head Width Across Corners Head Height Washer Diameter Washer Thickness Slot Width Slot Depth Fillet Radius Protrusion Of Head Point Taper Length* Point Diameter Major Diameter Max Min Max Min Min Max Min Max Min Max Min Min Max Min Max Max Min Min Max Max Min Max Min * 2 56 .
5、0860 .0717 .125 .120 .134 .050 .040 .166 .154 .016 .010 - - - - .013 .024 .062 .080 .067 .061 .0860 .0820 * 2 64 .0860 .0733 .125 .120 .134 .050 .040 .166 .154 .016 .010 - - - - .013 .024 .055 .070 .070 .064 .0860 .0822 * 3 48 .0990 .0825 .125 .120 .134 .055 .044 .177 .163 .016 .010 - - - - .015 .02
6、6 .073 .094 .077 .070 .0990 .0946 * 3 56 .0990 .0845 .125 .120 .134 .055 .044 .177 .163 .016 .010 - - - - .015 .026 .062 .080 .080 .074 .0990 .0950 * 4 40 .1120 .0925 .187 .181 .202 .060 .049 .243 .225 .019 .011 .031 .039 .025 .042 .017 .029 .088 .112 .086 .077 .1120 .1072 * 4 48 .1120 .0954 .187 .1
7、81 .202 .060 .049 .243 .225 .019 .011 .031 .039 .025 .042 .017 .029 .073 .094 .090 .083 .1120 .1076 * 5 40 .1250 .1054 .187 .181 .202 .070 .058 .260 .240 .025 .015 .035 .043 .030 .049 .019 .035 .088 .112 .099 .090 .1250 .1202 * 5 44 .1250 .1070 .187 .181 .202 .070 .058 .260 .240 .025 .015 .035 .043
8、.030 .049 .019 .035 .080 .102 .101 .093 .1250 .1204 * 6 32 .1380 .1141 .250 .244 .272 .093 .080 .328 .302 .025 .015 .039 .048 .033 .053 .021 .048 .109 .141 .106 .095 .1380 .1326 * 6 40 .1380 .1184 .250 .244 .272 .093 .080 .328 .302 .025 .015 .039 .048 .033 .053 .021 .048 .088 .112 .112 .103 .1380 .1
9、332 * 8 32 .1640 .1399 .250 .244 .272 .110 .096 .348 .322 .031 .019 .045 .054 .052 .074 .025 .058 .109 .141 .132 .121 .1640 .1586 * 8 36 .1640 .1424 .250 .244 .272 .110 .096 .348 .322 .031 .019 .045 .054 .052 .074 .025 .058 .097 .125 .135 .125 .1640 .1590 * 10 24 .1900 .1586 .312 .305 .340 .120 .105
10、 .414 .384 .031 .019 .050 .060 .057 .080 .028 .063 .146 .188 .147 .133 .1900 .1834 * 10 32 .1900 .1658 .312 .305 .340 .120 .105 .414 .394 .031 .019 .050 .060 .057 .080 .028 .063 .109 .141 .158 .147 .1900 .1846 * 12 24 .2160 .1845 .312 .305 .340 .155 .139 .432 .398 .039 .022 .056 .067 .077 .103 .032
11、.083 .146 .188 .173 .159 .2160 .2094 * 12 28 .2160 .1886 .312 .305 .340 .155 .139 .432 .398 .039 .022 .056 .067 .077 .103 .032 .083 .125 .161 .179 .167 .2160 .2098 1/4 20 .2500 .2127 .375 .367 .409 .190 .172 .520 .480 .050 .030 .064 .075 .083 .111 .038 .103 .175 .225 .198 .181 .2500 .2428 * 1/4 28 .
12、2500 .2225 .375 .367 .409 .190 .172 .520 .480 .050 .030 .064 .075 .083 .111 .038 .103 .125 .161 .213 .201 .2500 .2438 5/16 18 .3125 .2712 .500 .489 .545 .230 .208 .676 .624 .055 .035 .072 .084 .100 .134 .047 .125 .194 .250 .255 .236 .3125 .3043 * 5/16 24 .3125 .2806 .500 .489 .545 .230 .208 .676 .62
13、4 .055 .035 .072 .084 .100 .134 .047 .125 .146 .188 .269 .255 .3125 .3059 3/8 16 .3750 .3287 .562 .551 .614 .295 .270 .780 .720 .063 .037 .081 .094 .131 .168 .056 .162 .219 .281 .310 .289 .3750 .3660 3/8 24 .3750 .3430 .562 .551 .614 .295 .270 .780 .720 .063 .037 .081 .094 .131 .168 .056 .162 .146 .
14、188 .332 .318 .3750 .3684 * Non-Preferred Sizes and Threads * Short length tapping screws will have shorter point as specified in General Specifications. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted withou
15、t license from IHS-,-,-NUMBER: ESP-D-20.101-PP TITLE: Hexagon Washer Head Tapping Screws Types C, D, F and T Preferred Parts CURRENT ISSUE DATE: September 2008 For General Specifications, see ESP-D-1.101-GS. This document is restricted and may not be sent outside Navistar, Inc. or reproduced without
16、 permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2008 by Navistar, Inc. SEPTEMBER 2008 Page 2 of 2 Nominal Size-TPI Length Type Slotted Head? Finish Material Part Number 1/4 -20 3/8 D No ZN6A STL 26976R1 1/4 -20 1/2 D No ZN6A STL 552897R1 1/4 -20
17、 5/8 D No ZN6A STL 27313R1 1/4 -20 3/4 D No PHC STL 28059R1 1/4 -20 3/4 T No ZN6A STL 28286R1 5/16 -18 1 D No ZN6A STL 27569R1 5/16 -18 1 1/2 D No ZN6A STL 28464R1 5/16 -18 1 1/2 F No ZN6A STL 40380R1 5/16 -18 1 3/4 F No ZN6A STL 40258R1 Nominal Size-TPI Length Type Slotted Head? Finish Material Par
18、t Number 6 -32 1/2 T Yes ZN6A STL 25914R1 8 -32 3/8 T No ZN6A STL 26000R1 8 -32 1/2 T Yes ZN6A STL 25746R1 8 -32 3/4 T Yes ZN6A STL 25747R1 10 -24 1/2 D No ZN6A STL 593749R1 10 -24 3/4 D No ZN6A STL 593762R1 10 -32 3/8 D No ZN6A STL 26208R1 10 -32 1/2 C No ZN6A STL 390427R1 10 -32 1/2 D No ZN6A STL
19、390475R1 10 -32 1/2 T No PHC STL 26229R1 10 -32 5/8 T No PHC STL 26230R1 10 -32 5/8 D No ZN6A STL 28220R1 10 -32 1 D No ZN6A STL 40264R1 12 -24 3/8 C No ZN6A STL 26298R1 1/4 -20 3/4 D No PLN STL 565093R1 1/4 -20 2 T No ZN6A STL 28052R1 1/4 -28 1/2 D No ZN6A STL 27362R1 1/4 -28 3/4 D No ZN6A STL 2822
20、1R1 5/16 -18 5/8 D No PLN STL 25756R1 5/16 -18 3/4 D No PLN STL 25757R1 5/16 -18 3/4 D No ZN6A STL 27607R1 5/16 -18 3/4 T No ZN6A STL 27950R1 3/8 -16 5/8 C No ZN6A STL 26056R1 3/8 -16 3/4 T No ZN6A STL 28015R1 * Use Pan Head Tapping Screws in ESP-D-9.101-PP for sizes smaller than inch. PREFERRED PARTS NON PREFERRED PARTS Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
