NUTS - WEIGHT PER 1000 PIECES
NOMINAL
SIZE
1/4
5/16
3/8
7/16
HEX
(Approximate Weight of 1000 Steel Nuts in Pounds)
NUT TYPE
HEAVY
HEX
HEX
HEX
HEAVY
JAM
SLOTTED
CASTLE
HEX
7.35
11.0
16.0
28.4
5.15
7.67
10.5
18.6
6.03
9.4
13.1
23.6
7.84
11.5
16.8
28.0
11.6
17.2
31.4
41.6
HEAVY
HEX
SLOTTED
40.0
49.1
69.6
110
167
57.0
71.3
102
171
272
8.52
11.7
20.2
26.1
9.9
15.1
26.9
35.9
1/2
9/16
5/8
3/4
7/8
37.5
58.3
73.3
119
190
26.2
36.8
49.3
77.0
120
31.6
49.4
60.7
103
171
40.8
62.0
80.4
128
202
1
1 1/8
1 1/4
1 3/8
283
403
543
730
176
247
361
479
250
358
475
655
284
415
545
751
425
592
786
1020
235
324
458
593
385
537
706
933
1 1/2
1 5/8
1 3/4
1 7/8
943
―
―
―
609
―
―
―
829
―
―
―
948
―
―
―
1310
1620
2040
2410
748
916
1140
1340
1180
―
1840
―
2
2 1/4
2 1/2
2 3/4
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
2990
4190
5640
7380
1650
2270
3320
4290
2740
3910
5160
6860
3
3 1/4
3 1/2
3 3/4
4
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
9500
11940
15260
18120
21800
5450
6510
8510
10050
12000
8820
11210
14490
17300
20930
MATERIALS
CONVERSION
FACTOR
Type 304 Stainless Steel....................
1.011
Type 410 Stainless Steel....................
0.989
Leaded Brass (Free Cutting Brass)….
1.085
Cold Heading Brass (Yellow Brass)….
1.082
Naval Brass......................................
1.074
Low Silicon Bronze............................
1.117
High Silicon Bronze...........................
1.088
WEIGHT CONVERSION TABLE
MATERIALS
CONVERSION
FACTOR
1.124
Phosphor Bronze...........................
1.067
Manganese Bronze.......................
1.042
Aluminum Bronze.........................
1.145
Copper.........................................
1.141
Cupro Nickel.................................
1.127
Monel Metal*...............................
K-Monel Metal*............................
1.082
65.4
81.5
119
193
297
HEAVY
HEX
JAM
MATERIALS
CONVERSION
FACTOR
Inconel*…………………………………….……….
1.085
Aluminum…………………………………….……….
0.353
Titanium Alloy……………………………………….
0.576
Hastelloy C**………………………………….……….
1.146
Hastelloy B**………………………………….……….
1.187
*TRADEMARK OF INTERNATIONAL NICKEL CORP.
**TRADEMARK OF CABOT CORP.
NOTE: The weights listed above are estimated on regular steel. To obtain the approximate weight for nuts in another material,
multiply the weight per 1000 pieces shown above by the conversion factor for the desired material listed in the "Weight
Conversion Table"