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Specifications
Flat Head HD SMS, M/S
18-8 Stainless Steel
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| SIZE |
T
(SMS) |
T
(SMS) |
T
(M/S) |
T
(M/S) |
D |
D |
H |
U
Keyed-Lok® |
|
-
|
| -- |
Diameter |
Thrds/In |
Diameter |
Thrds/In |
Max |
Min |
HD Height |
|
| #2 |
0.086 |
32 |
0.086 |
56 |
0.200 |
0.190 |
0.064 |
U02 |
| #4 |
0.112 |
24 |
0.112 |
40 |
0.255 |
0.218 |
0.083 |
U04 |
| #5 |
0.125 |
20 |
0.125 |
40 |
0.281 |
0.240 |
0.090 |
U04 |
| #6 |
0.138 |
20 |
0.138 |
32 |
0.307 |
0.263 |
0.097 |
U06 |
| #7 |
0.151 |
19 |
- |
- |
- |
- |
- |
U06 |
| #8 |
0.164 |
18 |
0.164 |
32 |
0.359 |
0.311 |
0.112 |
U10 |
| #10 |
0.190 |
16 |
0.190 |
24, 32 |
0.411 |
0.359 |
0.127 |
U10 |
| #12 |
0.216 |
14 |
0.216 |
24, 38 |
- |
- |
- |
U25 |
| #14 |
0.250 |
14 |
- |
- |
0.531 |
0.480 |
0.161 |
U25 |
| 1/4" |
- |
- |
0.250 |
20, 28 |
0.531 |
0.480 |
0.161 |
U25 |
| 5/16" |
- |
- |
0.3125 |
18 |
0.656 |
0.600 |
0.198 |
U31 |
| 3/8" |
- |
- |
0.375 |
16 |
0.781 |
0.720 |
0.234 |
U31 |
| 1/2" |
- |
- |
0.500 |
13 |
0.938 |
0.872 |
0.251 |
U50 |
| 5/8" |
- |
- |
0.625 |
11 |
1.19 |
1.11 |
0.396 |
U50 |
| also available in metric threads. |
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Click here to view our complete catalog.

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*Key-Rex, Keyed-Lok® is a Registered Trademark of Bryce Fastener.
Delivery Time 60 Days. Each Customer Receives Their Own Keyed-Rex® Drive Size.
Prices Subject to Change Without Notice. Publication Date 04/06.
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Manufacturing & Design
World Leader in High Security Fasteners
1230 N. Mondel Dr., Suite B • Gilbert, Arizona 85233
Tel: 1-800-558-1082 (U.S.) • 480-503-3801 (International) •
Fax: 1.800.258.1082 • 480-503-3834
E-mail: info@brycefastener.com
Bryce Fastener Mfg., Inc
Tamper Proof Screws, Tamper-resistant Screws, Security Fasteners, Security Screws and Bolts.
Copyright Bryce Fastener Mfg., Inc., 2006. All Rights Reserved
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