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When selecting finishes, select the RoHS compliant finishes. They are better for the environment and less expensive!
 

SU-2300 Line Size 5
Flush, Oval, and Wing Head Studs

Standard Materials: Hardened carbon steel studs, carbon steel wings.

Finish:

Zinc Trivalent Clear .0003 thick. Trivalent Chromate Clear with Sealer (RoHS Compliant)
Specification(s): ASTM-B-633, Type III, SC 2, Clear
Suffix: -Z3CT

The above mentioned finish will be supplied as the standard finish upon depletion of existing stock which are finished as follows:

Cadmium Electroplated .0003 thick, Clear Chromate (Obsolete)
Specification(s): QQ-P-416, TYPE I, CLASS 2, CLEAR
Suffix: -C3C
Flush Head
Part Number:
2506-20-xxx-Z3CT

Flush Head Stud Picture

Flush Head Stud Dimension Drawing
Oval Head
Part Number:
2501-20-xxx-Z3CT

Oval Head Stud Picture

Click here for the Engineering Drawing
2501 Revision C

 Oval Head Stud Dimension Drawing
Wing Head
Part Number
2501-W20-xxx-Z3CT

Oval Wing Head Stud Picture

Oval Wing Head Stud Dimension Drawing
All other dimensions are the same as the Oval Head

English

Total
Thickness
(inch)		 Stud
Length
Callout
(-xxx-)		 Stud Shank Stud Weight
(lb ea.)
Dim. "G"
(Grip Length)
(inch)		 Dim. "U"
(Undercut)
(inch)		 Flush
2506-20-
xxx-Z3CT		 Oval
2501-20-
xxx-Z3CT		 Wing
2501-W20-
xxx-Z3CT
.021-.050 5 .350 .170 .00775 .00745 .01299
.051-.080 8 .380 .210 .00828 .00798 .01352
.081-.110 11 .410 .250 .00880 .00850 .01404
.111-.140 14 .440 .250 .00933 .00903 .01457
.141-.170 17 .470 .290 .00985 .00955 .01509
.171-.200 20 .500 .330 .01038 .01008 .01548
.201-.230 23 .530 .370 .01090 .01060 .01614
.231-.260 26 .560 .370 .01143 .01113 .01667
.261-.290 29 .590 .410 .01195 .01165 .01719
.291-.320 32 .620 .450 .01248 .01218 .01772
.321-.350 35 .650 .490 .01300 .01270 .01824
.351-.380 38 .680 .490 .01353 .01323 .01877
.381-.410 41 .710 .530 .01405 .01375 .01929
.411-.440 44 .740 .570 .01458 .01428 .01982
.441-.470 47 .770 .610 .01511 .01481 .02035
.471-.500 50 .800 .610 .01564 .01534 .02088
.501-.530 53 .830 .650 .01617 .01587 .02141
.531-.560 56 .860 .690 .01670 .01640 .02194
.561-.590 59 .890 .690 .01723 .01693 .02247
.561-.620 62 .920 .690 .01776 .01746 .02300
.621-.650 65 .950 .690 .01829 .01799 .02353
.651-.680 68 .980 .690 .01882 .01852 .02406
.681-.710 71 1.010 .690 .01935 .01905 .02459
.711-.740 74 1.040 .690 .01988 .01958 .02512
.741-.770 77 1.070 .690 .02041 .02011 .02565

Metric

Total
Thickness
(mm)		 Stud
Length
Callout
(-xxx-)		 Stud Shank Stud Weight
(g ea.)
Dim. "G"
(Grip Length)
(mm)		 Dim. "U"
(Undercut)
(mm)		 Flush
2506-20-
xxx-Z3CT		 Oval
2501-20-
xxx-Z3CT		 Wing
2501-W20-
xxx-Z3CT
.53-1.27 5 8.89 4.32 3.52 3.38 5.89
1.30-2.03 8 9.65 5.33 3.76 3.62 6.13
2.06-2.79 11 10.41 6.35 3.99 3.86 6.37
2.82-3.56 14 11.18 6.35 4.23 4.10 6.61
3.58-4.32 17 11.84 7.37 4.47 4.33 6.84
4.34-5.08 20 12.70 8.38 4.71 4.57 7.02
5.11-5.84 23 13.46 9.40 4.94 4.81 7.32
5.87-6.60 26 14.22 9.40 5.18 5.08 7.56
6383-7.37 29 14.99 10.41 5.42 5.28 7.80
7.39-8.13 32 15.75 11.43 5.66 5.52 8.04
8.15-8.89 35 16.51 12.45 5.90 5.76 8.27
8.92-9.65 38 17.27 12.45 6.14 6.00 8.51
9.68-10.41 41 18.03 13.46 6.37 6.24 8.75
10.44-11.18 44 18.80 14.48 6.61 6.48 8.99
11.20-11.94 47 19.56 15.49 6.85 6.72 9.23
11.96-12.70 50 20.32 15.49 7.09 6.96 9.47
12.73-13.46 53 21.08 16.51 7.33 7.20 9.71
13.49-14.22 56 21.84 17.53 7.57 7.44 9.95
14.25-14.99 59 22.61 17.53 7.82 7.68 10.19
15.01-15.75 62 23.37 17.53 8.06 7.92 10.43
15.77-16.51 65 24.13 17.53 8.30 8.16 10.67
16.54-17.27 68 24.89 17.53 8.54 8.40 10.91
17.30-18.03 71 25.65 17.53 8.78 8.64 11.15
18.06-18.80 74 26.42 17.53 9.02 8.88 11.39
18.82-19.56 77 27.18 17.53 9.26 9.12 11.63