Manufactured By the Ohio Nut & Bolt Co.
GWZ Weld Screw
part diagram
HyperLink PDF Spec Sheet



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Thread Size #6-32 #8-32 #10-24 #10-32 1/4-20 5/16-18 3/8-16
Head Diameter - A 0.260
0.240
0.323
0.303
0.385
0.365
0.385
0.365
0.510
0.485
0.630
0.605
0.755
0.725
Height - H 0.046
0.036
0.052
0.042
0.068
0.058
0.068
0.058
0.083
0.073
0.099
0.089
0.114
0.104
Projections Diameter - P 0.055
0.045
0.075
0.065
0.085
0.075
0.085
0.075
0.105
0.095
0.125
0.115
0.135
0.125
Height - F 0.022
0.018
0.027
0.023
0.032
0.028
0.032
0.028
0.042
0.038
0.047
0.043
0.052
0.048
Thread Size #6-32 #8-32 #10-24 #10-32 1/4-20 5/16-18 3/8-16
L

Length
Overall

Tolerance

To 1"
+.00 -.03

Over 1" to 2"
Inclusive
+.00 -.06

Over 2"
+.00 -.09
1/4 GWZ 1104 GWZ 1404 * * * * *
5/16 GWZ 1105 GWZ 1405 * * * * *
3/8 GWZ 1106 GWZ 1406 GWZ 1506 GWZ 1606 GWZ 2106 * *
1/2 GWZ 1108 GWZ 1408 GWZ 1508 GWZ 1608 GWZ 2108 * *
5/8 GWZ 1110 GWZ 1410 GWZ 1510 GWZ 1610 GWZ 2110 GWZ 2710 GWZ 3310
3/4 GWZ 1112 GWZ 1412 GWZ 1512 GWZ 1612 GWZ 2112 GWZ 2712 GWZ 3312
7/8 GWZ 1114 GWZ 1414 * * GWZ 2114 * *
1 GWZ 1116 GWZ 1416 GWZ 1516 GWZ 1616 GWZ 2116 GWZ 2716 GWZ 3316
1-1/4 * GWZ 1420 GWZ 1520 * GWZ 2120 GWZ 2720 *
1-1/2 * * GWZ 1524 GWZ 1624 GWZ 2124 GWZ 2724 GWZ 3324
1-3/4 * * * GWZ 1628 * GWZ 2728 GWZ 3328
2 * * * GWZ 1632 GWZ 2132 * GWZ 3332
2-1/4 * * * * * * GWZ 3336
*Available Upon Request

part image

An OHIO GWZ weld screw has three projections on top of the head for welding to the sheet surface, not through it. From a design standpoint, the GWZ screw will eliminate the necessity for holes, thus is ideal for those applications where product appearance or potential leakage is a prime consideration. There are no screw heads to protrude or spoil appearance or the product. With GWZ screws, the exterior surface is left virtually unmarred. The GWZ weld screw is an excellent choice for blind locations too, because it can be permanently pre-attached.



Material and Thread Information
Material: Austenitic Stainless Steel
Finish: Passivated
Threads: Unified Standard Class 2A
ASME B 1.1-2003