1、For General Specifications, see ESP-D-1.101-GS. Use Pan Head Tapping Screws in ESP-D-8.101-PP for sizes smaller than 1/4 Inch. 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
2、all patent liability. 2009 by Navistar, Inc. JANUARY 2009 Page 1 of 2 INTERNATIONAL TRUCK AND ENGINE CORPORATION Engineering Standard Parts NUMBER: ESP-D-16.101-PP TITLE: Hexagon Head Tapping Screws Types AB, B, BP and BT Preferred Parts (Noun Code 7450) CURRENT ISSUE DATE: January 2009 WRITTEN/REVI
3、EWED BY: Corporate Technical Standards APPROVED BY: Corporate Technical Standards SUPERSEDES ISSUE OF: August 2006 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION Change Notice: Corrected 24200R7 to 24200R1. Replaced International Truck and Engine Corporation with Navistar, Inc
4、. per corporate directive. F E G W J R U V Thread Detail Nominal Size Threads Per Inch Head Width Width Across Corners Head Height Slot Width Slot Depth Fillet Radius Protrusion Of Head Point Taper Length * * Point Diameter Major Diameter Diameter Max Min Min Max Min Min Max Min Max Max Min Min Max
5、Max Min Max Min Max Min * 1 42 .125 .120 .134 .050 .036 - - - - .011 .024 .048 .060 .044 .040 .075 .072 .049 .046 * 2 32 .125 .120 .134 .050 .040 - - - - .013 .024 .062 .078 .058 .054 .088 .084 .064 .060 * 3 28 .187 .181 .202 .055 .044 - - - - .015 .026 .071 .089 .068 .063 .101 .097 .075 .071 * 4 24
6、 .187 .181 .202 .060 .049 .031 .039 .025 .036 .017 .029 .083 .104 .079 .074 .114 .110 .086 .082 * 5 20 .187 .181 .202 .070 .058 .035 .043 .030 .042 .019 .035 .100 .125 .087 .082 .130 .126 .094 .090 * 6 20 .250 .244 .272 .093 .080 .039 .048 .033 .046 .021 .048 .100 .125 .095 .089 .139 .135 .104 .099
7、* 7 19 .250 .244 .272 .093 .080 .039 .048 .040 .054 .023 .048 .105 .132 .105 .099 .154 .149 .115 .109 * 8 18 .250 .244 .272 .110 .096 .045 .054 .052 .066 .025 .058 .111 .139 .112 .106 .166 .161 .122 .116 * 10 16 .312 .305 .340 .120 .105 .050 .060 .057 .072 .028 .063 .125 .156 .130 .123 .189 .183 .14
8、1 .135 * 12 14 .312 .305 .340 .155 .139 .056 .067 .077 .093 .032 .083 .143 .179 .152 .145 .215 .209 .164 .157 1/4 14 .375 .367 .409 .190 .172 .064 .075 .083 .101 .038 .103 .143 .179 .179 .171 .246 .240 .192 .185 5/16 12 .500 .489 .545 .230 .208 .072 .084 .100 .122 .047 .125 .167 .208 .230 .222 .315
9、.308 .244 .236 3/8 12 .562 .551 .614 .295 .270 .081 .094 .131 .156 .056 .162 .167 .208 .293 .285 .380 .371 .309 .299 * Non-Preferred Sizes and Threads * Short length tapping screws will have shorter point as specified in the General Specifications. Tapered point dimensions are not applicable to Type
10、 AB screws. PREFERRED PARTS Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: ESP-D-16.101-PP TITLE: Hexagon Head Tapping Screws Types AB, B, BP and BT Preferred Parts CURRE
11、NT ISSUE DATE: January 2009 For General Specifications, see ESP-D-1.101-GS. Use Pan Head Tapping Screws in ESP-D-8.101-PP for sizes smaller than 1/4 Inch. This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppl
12、iers are required to assume all patent liability. 2009 by Navistar, Inc. JANUARY 2009 Page 2 of 2 Nominal Size-TPI Length Type Slotted Head? Finish Material Part Number 1/4 -14 1/2 AB No ZN6A STL 23998R1 1/4 -14 5/8 AB No ZN6A STL 24197R1 1/4 -14 5/8 AB No PHC STL 24198R1 1/4 -14 3/4 AB No ZN6A STL
13、24200R1 1/4 -14 1 AB No ZN6A STL 24201R1 1/4 -14 2 1/2 AB No PHC STL 27983R1 5/16 -12 3/4 AB No ZN6A STL 24206R1 5/16 -12 1 1/4 AB No ZN6A STL 27382R1 3/8 -12 3/4 AB No ZN6A STL 24208R1 3/8 -12 1 1/4 AB No ZN6A STL 27383R1 PREFERRED PARTS Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
