Section B

Hex Head Cap Screws Vis à tête hexagonale

Inch Pouce

STEEL FOR EXTRA STRENGTH GRADE 5 Material Spec. ASTM A 449 Length shown is under head to end in inches SAE

ASME B18.2.1

C1035-1041 MEDIUM CARBON STEEL BRIGHT ZINC CHROMATE PLATED

FINISHED HEXAGON BOLTS

QUENCHED AND TEMPERED

MINIMUM THREAD LENGTH (Standard) Up to 6" long: (2D + 1/4) Twice diameter plus 1/4 inch. Over 6" long: (2D + 1/2) Twice diameter plus 1/2 inch. NOTE: See page B138 for Grade 5 Cap Screws with full thread length.

MINIMUM TENSILE STRENGTH (PSI) Up to 1" dia. inclusive 120,000 PSI Over 1" to 1-1/2" inclusive 105,000 PSI

B

FINE THREAD (U.N.F.) (S.A.E.)

UNIFIED STANDARD

CLASS 2A FIT

DIA. THD.

1/4"

5/16"

3/8"

7/16"

1/2"

9/16"

28

24

24

20

20

18

LENGTH

ORDER BY SPAENAUR NUMBERS LISTED BELOW

HC-244

1/2 3/4 7/8

HC-270

HC-124 HC-125 HC-126 HC-127 HC-128 HC-129

HC-140

1

HC-188 HC-189 HC-190 HC-191 HC-192 HC-187 HC-186

HC-3

1-1/4 1-1/2 1-3/4 2-1/4 2-1/2 2-3/4 2

HC-154 HC-155 HC-156 HC-157 HC-158 HC-153 HC-159 326-393 HC-160 HC-161

HC-165 HC-166 HC-167 HC-164

326-G02-1P

HC-6

HC-4

HC-176 HC-177 HC-178 HC-179

HC-142 HC-143 HC-144 HC-145 HC-146

326-G23-1M

HC-167A

HC-131 HC-132

HC-168

326-G47-1M

HC-168A

HC-180

HC-193

3

3-1/4 3-1/2

HC-134 HC-135

HC-147

HC-169 HC-170 HC-171 HC-172 HC-173

HC-181 HC-182 HC-183 HC-184 HC-185

HC-194 HC-195

326-G19-1K

4

4-1/2

HC-149

HC-162

5 6

HC-197

DIA. THD. 1 1-1/2 1-3/4

5/8"

3/4"

7/8"

1" 14

1-1/4" 12

18

16

14

HC-252

HC-228

HC-246 HC-200 HC-201 HC-202

HC-237 HC-238 HC-236

HC-208 HC-209 HC-210 HC-243 HC-211 HC-212 HC-213 326-308

2

HC-230 HC-231 HC-247 HC-232 HC-248 HC-233 HC-234 326-309

2-1/2

3

326-G17-1N

3-1/2

HC-204 HC-205

HC-239

4

4-1/2

HC-1

HC-240

5 6

HC-206

HC-2

326-311

6-1/2

HC-250

7 8

326-324

HC-257

10

Contact Sales Desk For Package Quantities

CATALOG 14

For Grade 5 Hex Nuts see Page C3

B140

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