A12-6 REVISED JANUARY, 2015 © Copyright 2023. All rights reserved. No portion may be copied or reproduced in any manner. FASTENERS & HARDWARE SOSMETAL PRODUCTS INC. A21 A20 A19 A18 A17 A16 A15 A14 A13 A12 A11 A10 GRADE 8 HEX FLANGE FASTENING SYSTEM l A high strength locking system designed to prevent failure due to vibration. l Used in trucks, as well as industrial equipment, wherever excessive vibration is a problem. l USS Coarse and SAE Fine thread. l Phosphate & Oil finish. Protected by BLACK OXIDE FINISH™ against rust & corrosion LENGTH PART PART PART PART PART PART PART NUMBERQTY NUMBERQTY NUMBERQTY NUMBERQTY NUMBERQTY NUMBERQTY NUMBERQTY 1 702240 25 --- - --- - --- - --- - --- - --- - 1-1/4 702239 25 702231 25 712101 25 --- - --- - --- - --- - 1-1/2 702241 25 702250 25 712102 25 702254 25 712111 25 --- - --- - 1-3/4 702242 25 702251 25 712103 25 702255 25 712112 25 702232 10 712121 10 2 702243 25 702252 25 712104 25 702256 25 712113 25 702233 10 712122 10 2-1/4 --- - --- - --- - 702264 25 712114 25 702234 10 712123 10 2-1/2 702244 25 702253 25 712105 25 702257 25 712115 25 702235 10 712124 10 2-3/4 --- - --- - --- - 702265 25 --- - --- - --- - 3 702245 25 702259 25 712106 25 702258 25 712116 25 702236 10 712125 10 3-1/2 702246 25 702260 25 712107 25 702266 10 712117 10 702237 10 712126 10 4 702247 10 702261 10 712108 10 702267 10 712118 10 702238 10 712127 10 4-1/2 702248 10 702262 10 712109 10 702268 10 712119 10 --- - --- - 5 702249 10 702263 10 712110 10 702269 10 712120 10 --- - --- - DIA. DIA. DIA. DIA. DIA. DIA. DIA. 3/8-16 1/2-13 1/2-20 5/8-11 5/18-18 3/4-10 3/4-16 USS USS SAE USS SAE USS SAE PART PART PART PART PART PART PART NUMBERQTY NUMBERQTY NUMBERQTY NUMBERQTY NUMBERQTY NUMBERQTY NUMBERQTY 703174 50 703175 50 703171 50 703176 50 703172 50 703177 10 703173 10 Designed specifically for use with Hex Flange Nuts. DIA. DIA. DIA. DIA. DIA. DIA. DIA. 3/8-16 1/2-13 1/2-20 5/8-11 5/18-18 3/4-10 3/4-16 USS USS SAE USS SAE USS SAE GRADE “G” FLANGE LOCK NUTS FLANGE BOLTS HEX SERRATED FLANGE LOCKING BOLT l 120,000 PSI tensile strength. l Serrations under the head grip on the bearing surface when tightened. l Heat treated. l USS Coarse threads. l Case hardened to: surface: R15N-76/86 core: RC25/34. l Exceeds Grade 5 specifications. Protected by LUSTERPLATETM against rust & corrosion LENGTH PART PART PART PART PART NUMBERQTY NUMBERQTY NUMBERQTY NUMBERQTY NUMBERQTY 3/8 712201 100 --- - --- - --- - --- - 1/2 712202 100 712215 50 712228 25 --- - --- - 5/8 712203 100 712216 50 712229 25 --- - --- - 3/4 712204 100 712217 50 712230 25 712241 25 712250 10 7/8 712205 100 712218 50 712231 25 712242 25 712251 10 1 712206 100 712219 50 712232 25 712243 25 712252 10 1-1/4 712207 50 712220 50 712233 25 712244 25 712253 10 1-1/2 712208 50 712221 50 712234 25 712245 25 712254 10 1-3/4 712209 50 712222 50 712235 25 712246 25 712255 10 2 712210 50 712223 25 712236 25 712247 25 712256 10 2-1/4 712211 25 712224 25 712237 25 712248 25 712257 10 2-1/2 712212 25 712225 25 712238 25 712249 25 712258 10 2-3/4 712213 25 712226 25 712239 25 --- - 712259 10 3 712214 25 712227 25 712240 25 --- - 712260 10 DIA. DIA. DIA. DIA. DIA. 1/4-20 5/16-18 3/8-16 7/16-14 1/2-13 PART PART PART PART PART NUMBERQTY NUMBERQTY NUMBERQTY NUMBERQTY NUMBERQTY 50620 50 50621 50 50622 50 50616 25 50617 25 SERRATED FLANGE NUTS Sizes: 1/2” x 1-1/2” through 5/8” x 3” SAE(FINE) Part No. 501660 80 pieces • 10 items 12061 steel tray Numbers in assortment 703171 703172 712102 712104 712106 712107 712111 712113 712115 712116
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