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Round Plain Thumb Screw

Round-Plain-Thumb-Screw.jpeg
Part Number Example:
(Basic Part Number-Material Code-Finish Code)
EH7621-SS-52
Round Plain Thumb Screw, 0.313 Head Diameter, 0.188 Head Length, 0.563 Overall Length, 0.375 Thread Length, 440 Thread, Stainless Steel, Black Oxide MIL-C-13924


Basic Part Number Head Diameter
(+0.02 / -0.00) 		Head Length
(-0.015) 		Overall Length
(-0.015) 		Thread Length
(-0.01) 		Thread A
EH7620 0.313 0.188 0.500 0.313 0440
EH7621 0.313 0.188 0.563 0.375 0440
EH7622 0.313 0.188 0.625 0.438 0440
EH7623 0.313 0.188 0.688 0.500 0440
EH7624 0.313 0.188 0.500 0.313 0632
EH7625 0.313 0.188 0.563 0.375 0632
EH7626 0.313 0.188 0.625 0.438 0632
EH7627 0.313 0.188 0.688 0.500 0632
EH7628 0.375 0.188 0.563 0.375 0832
EH7629 0.375 0.188 0.625 0.438 0832
EH7630 0.375 0.188 0.688 0.500 0832
EH7631 0.375 0.188 0.750 0.563 0832
EH7632 0.375 0.188 0.813 0.625 0832
EH7633 0.438 0.188 0.563 0.375 1032
EH7634 0.438 0.188 0.625 0.438 1032
EH7635 0.438 0.188 0.688 0.500 1032
EH7636 0.438 0.188 0.750 0.563 1032
EH7637 0.438 0.188 0.813 0.625 1032
EH7638 0.500 0.250 0.750 0.500 2520
EH7639 0.500 0.250 0.813 0.563 2520
EH7640 0.500 0.250 0.875 0.625 2520
EH7641 0.500 0.250 0.938 1.063 2520
EH7642 0.500 0.250 1.000 0.750 2520

Material
Code Description
BR Brass (RoHS)
SS Stainless Steel (RoHS)
ST Steel (RoHS)
Finish
Code Description
00 Plain - No Finish
01 Passivate MIL-F-14072-E300
02 Caustic Etch
03 Brass, Bright Dip
06
 Passivate -- Type II SAE-AMS QQ-P-35C
12 Anodize, Clear - Type II Sulphuric Hot Water Seal - MIL-A-8625C
14 Anodize, Black - MIL-A-8625C
21 Iridite, Clear -MIL-C-5541
22 Iridite, Gold #14 - MIL-C-5541
25 Chem Film, Clear (In lieu of Iridite Clear)
31 Cadmium, Clear Chromate - QQ-P-416, CL 2
32 Cadmium, Color Chromate - QQ-P-416, CL 2
33 Zinc, Black
34 Zinc, Clear Chromate - QQ-Z-325, Type II, CL 3
35 Zinc QQ-Z-325, Type I, CL 3
36 Zinc, Yellow Chromate - QQ-Z-325, Type II, CL 3
37 Zinc,Yellow Trivalent
38 Zinc, Black Trivalent
42 Electro Tin MIL-T-10727, Type I (Dull)
43 Electro Tin MIL-T-10727 C, Type I (Bright)
44 Electro Tin (Solder) MIL-F-14072 M230/M222
48 Copper / Nickel / Bright Tin
50 Black Oxide MIL-C-13924 Steel
51 Black Oxide MIL-F-495 Brass
52 Black Oxide MIL-C-13924 Stainless Steel
53
 Black Zinc/Copper
54
 Black Zinc/Copper Strike (RoHS)
55
 Nickel/Copper Strike( .0001) - Steel
56
 Black Zinc/Nickel Strike
61 Nickel QQ-N-290 CL 1, Type VI KC
62
 Black Nickel NYSTAN Over .0001 Copper
63 Nickel, Ductile
64
 Nickel without Copper Under Plating QQ-N-290 A .0002 Min.
65
 Bright Nickel Over Copper Flash AMS-QQ-N-290 Rev 3 || Copper Strike
66 Nickle, Electroless
67
 Sulphomate Nickel - Electroltic SAE-AMS-QQ-N-290 Class 1 || .0002 to .0004 Thickness
71
 Chrome -- Bright
72
 Chrome -- Satin
73
 Chrome/Electroless Nickel
80
 Zinc Yellow Leach Back Bronze
81
 Black Chrome/Chromium/Nickel
89
 Electropolish -- High Luster BRIGHT HPS 124 Type 1
91 Silver QQ-S-365 || .0001 Silver
92
 Silver/Nickel ASTM B700 QQ-S-365 || .0001 Silver / Nickel
94
 Gold (.00005/.00007) MIL-G-45204, CL 1, Type II
96
 Gold (.00005 - .0000315) / Nickel Flash
97
 Gold (.00002 Min) MIL-G-45204, Type II
98
 Hard Gold over Nickel with Copper Strike
99
 Rust Inhibitor

Round Plain Thumb Screws


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APEX FASTENERS, Inc - 15858 Business Center Drive - Irwindale, CA 91706 USA
APEX Fasteners supplies standard and custom screws, nut retainers, shoulder screws, plastites and taptites, all types of rivets, spring steel fasteners and special stampings, sems screws in standard, fractional or metric to electronics, aviation and other OEM industries worldwide. ApexFasteners.com custom manufactures screw machine components for electronic enclosure hardware as well as cold forming and cold headed specials for assembly and production requirements.
Tel: (626) 962-2219 - info@apexfasteners.com
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