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OUR ORIGINAL LARGE RIVET HEAD TC BOLT
Back stock available of the original large head design that became the industry standard

Thanks to the instant success of our SMARTHEX™TC bolt, we immediately discontinued production of our previous large rivet head design, but we still have some back stock available, and we can custom-manufacture special large orders as well.

Call 1-800-782-4544 or email us for information and
availability of our original LOHR TC BOLT.
DATA SHEET
General Notes
MATERIAL: ASTM F1852 Type 1, 3 and ASTM A490 Type 1
FINISH: Black or Mechanically Galvanized
PACKAGING: Pre-assembled in metal kegs
BOLT LENGTHS: Per ANSI/ASME B18.2.1
GRIP LENGTHS: 1/4" increments through 5" long, 1/2" increments above 5"
NUTS: ASTM A194, Grade 2H or ASTM A563, Grade DH
WASHERS: ASTM F436

NOMINAL
SIZE
(INCHES)		 E D H R1 LT Y
BODY DIAMETER DIAMETER OF
BEARING SURFACE 		HEIGHT RADIUS OF FILLET THREAD LENGTH TRANSITION
THREAD
MAX MIN MAX MIN MAX MIN MAX MIN BASIC MAX
5/8 .642 .605 1.368 1.313 .403 .378 .062 .021 1.250 .220
3/4 .768 .729 1.524 1.469 .483 .455 .062 .021 1.375 .250
7/8 .895 .852 1.829 1.750 .563 .531 .062 .021 1.500 .280
1" 1.022 9.76 2.080 2.000 .627 .591 .093 .062 1.75 .313
1 1/8 1.149 1.098 2.370 2.250 .171 .661 .093 .062 2.000 .339

NOMINAL
SIZE
(INCHES)		 2H NUTS WASHERS
F G N OD ID T
WIDTH ACROSS FLATS WIDTH ACROSS CORNERS HEIGHT OUTSIDE DIAMETER DIAMETER
OF HOLE		 THICKNESS
MAX MIN MAX MIN MAX MIN BASIC BASIC MAX MIN
5/8 1.062 1.031 1.227 1.175 .631 .587 1-5/16 11/16 .177 .122
3/4 1.250 1.212 1.443 1.382 .758 .710 1-15/32 13/16 .177 .122
7/8 1.438 1.394 1.660 1.589 .885 .883 1-3/4 15/16 .177 .136
1" 1.625 1.575 1.876 1.796 1.012 .956 2" 1-1/16 .177 .136
1 1/8 1.612 1.756 2.093 2.002 1.139 1.079 2 1/4 1 1/4 .177 .136

Lohr Structural Fasteners
PO Box 1387 Humble TX 77347
2355 Wilson Rd Humble TX 77396
PHONE 281-446-6766
TOLL FREE 800-782-4544
FAX 281-446-7805   -   EMAIL

  What's new at Lohr?

Note from the president of LSF
New HEAD-STAMPED LOT ID 100% TRACEABLE NON-TC MATCHED CONVENTIONAL HEX HEAD BOLT SETS
New THICK FACE 1-1/8" A490 SmartHex Eliminates 2nd Washer!
We now sell WELDING STUDS


2004 NASCC in Long Beach
Past Conferences: 2003 | 2002

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(since 1980) Structural Steel Fabricators of New England Texas Structural Steel Fabricators Steel Erectors Association of America Research Council on Structural Connections (since 1980) Southern Association of Steel Fabricators Annual North American Steel Conference (since 1977) Contest sponsored by
Modern Steel Construction