COARSE THREAD FINE THREAD WIDTH (U.N.C.) (U.N.F.) ACROSS NOMINAL SPAENAUR SPAENAUR FLAT THICKNESS SIZE No. THD. No. THD. MAX./MIN. MAX./MIN. 1/4 172-001 20 .437/.428 .301/.281 100 5/16 172-002 172-R02-1N 18 16 172-015 24 .500/.489 .336/.316 50 3/8 172-016 24 .562/.551 .400/.380 50 7/16 172-004 14 172-017 20 .687/.675 .449/.429 25 1/2 172-005 13 172-018 20 .750/.736 .516/.496 25 9/16 172-006 12 172-019 18 .875/.861 .580/.560 25 5/8 172-007 11 .937/.922 .660/.640 25 3/4 172-008 10 172-021 16 1.125/1.088 .767/.747 20 7/8 172-009 9 172-022 14 1.312/1.269 .887/.867 15 1 172-010 8 172-023 14 1.500/1.450 1.023/1.003 10 1-1/8 172-011 7 172-024 12 1.687/1.631 1.181/1.161 10 1-1/4 172-012 7 172-025 12 1.875/1.812 1.277/1.257 10 1-1/2 172-013 6 172-026 12 2.250/2.175 1.531/1.511 10 COARSE THREAD FINE THREAD WIDTH (U.N.C.) (U.N.F.) ACROSS NOMINAL SPAENAUR SPAENAUR FLAT THICKNESS SIZE No. THD. No. THD. MAX./MIN. MAX./MIN. 1/4 155-400 20 155-413 28 .437/.428 .264/.250 100 5/16 155-401 18 155-414 24 .500/.489 .309/.293 50 3/8 155-402 16 155-415 24 .562/.551 .377/.360 50 7/16 155-403 14 155-416 20 .687/.675 .445/.426 25 1/2 155-404 13 155-417 20 .750/.736 .511/.490 25 9/16 155-405 12 155-418 18 .875/.861 .575/.552 25 5/8 155-406 11 155-419 18 .937/.922 .655/.630 25 3/4 155-407 10 155-420 16 1.125/1.088 .762/.733 20 7/8 155-408 9 155-421 14 1.312/1.269 .882/.850 15 1 155-409 8 155-422 14 1.500/1.450 1.018/.982 10 1-1/8 155-410 7 155-423 12 1.687/1.631 1.176/1.136 10 1-1/4 155-411 7 155-424 12 1.875/1.812 1.272/1.228 10 1-1/2 155-412 6 155-425 12 2.250/2.175 1.526/1.474 10 Recommended for use with L•9 Hex Bolts ® ® Cadmium Plated and Waxed Yellow Dichromate Finish Rockwell Hardness 1/4"-5/8" Dia. C28-34 3/4"-1 ” Dia. C32-38 STEEL Alloy L•9 STOVER LOCKNUT C1050 - 1060 STEEL L•9WASHERS Quenched and Tempered INSIDE OUTSIDE SPAENAUR BOLT DIAMETER DIAMETER THICKNESS No. SIZE MAX./MIN. MAX./MIN. MAX./MIN. 656-400 1/4 .286/.276 .640/.620 .071/.056 100 656-401 5/16 .349/.339 .703/.681 .071/.056 100 656-402 3/8 .411/.401 .827/.805 .112/.090 100 656-403 7/16 .474/.464 .937/.915 .112/.090 50 656-404 1/2 .536/.526 1.092/1.055 .112/.090 50 656-405 9/16 .599/.589 1.186/1.149 .112/.090 50 656-406 5/8 .663/.649 1.342/1.305 .174/.146 50 656-407 3/4 .819/.805 1.499/1.462 .174/.146 50 656-408 7/8 .945/.931 1.780/1.743 .174/.146 50 656-409 1 1.069/1.055 2.030/1.993 .174/.146 25 656-410 1-1/8 1.195/1.181 2.030/1.993 .266/.234 25 656-411 1-1/4 1.319/1.305 2.280/2.243 .266/.234 25 656-412 1-1/2 1.572/1.552 2.780/2.743 .266/.234 25 STEEL Alloy L•9 HEX NUT L • 9 Cadmium Plated and Waxed Yellow Dichromate Finish Rockwell Hardness 1/4"-5/8" Dia. C28-34 3/4"-1 ” Dia. C32-38 Cadmium Plated Yellow Dichromate Finish Rockwell Hardness 15N 82-85 PKG QTY. PKG QTY. PKG QTY. CATALOG 14 B P : 1-800-265-8772 F : 1-888-252-6380 www. .com B149 29 APR 2022 Inch Pouce L•9® Hex Nuts / Washers Écrous hexagonaux L•9®�/ Rondelles : F : 1- 8-252-6380 service@spaenaur © 2018 Spaenaur Inc. All rights reserved. Catalog may not be reproduced, in whole or in part, without the written permission of Spaenaur Inc. Subject to Catalog Terms and Conditions of Use available at Spaenaur.com and on page TC2 and TC3 at the back of this catalog. © 2018 Spaenaur Inc. Tous droits réservés. Le catalogue ne peut être reproduit, en tout ou en partie, sans l’autorisation écrite de Spaenaur Inc. L’utilisation est soumise aux Conditions d’utilisation du Catalogue disponibles sur Spaenaur.com et à la page TC4 et TC5 à la fin de ce catalogue. CAT LOG 14.09
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