standoffs - Amatom
standoffs - Amatom
standoffs - Amatom
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CLEARANCE HOLES<br />
FOR METRIC THREADED FASTENERS<br />
NOMINAL NOMINAL<br />
FASTENER NORMAL FASTENER NORMAL<br />
SIZE CLEARANCE SIZE CLEARANCE<br />
1.6 1.9 6.0 6.7<br />
2.0 2.4 6.3 7.1<br />
2.5 2.9 8.0 9.0<br />
3.0 3.4 10.0 11.0<br />
3.5 4.0 12.0 13.0<br />
4.0 4.5 14.0 15.0<br />
5.0 5.6 16.0 17.5<br />
CLEARANCE CLEARANCE<br />
DIAMETER x PITCH HOLE RANGE HOLE CODE<br />
M1.6 x 0.35 1.8 - 2.1 0019<br />
M2.0 x 0.4 2.2 - 2.6 0024<br />
M2.5 x 0.45 2.7 - 3.1 0029<br />
M3.0 x 0.5 3.2 - 3.6 0034<br />
M3.5 x 0.6 3.5 - 4.2 0040<br />
M4.0 x 0.7 4.2 - 4.8 0045<br />
M5.0 x 0.8 5.3 - 6.0 0056<br />
M6.0 x 1.0 6.3 - 7.0 0065<br />
M6.3 x 1.0 6.7 - 7.5 0071<br />
M8.0 x 1.25 8.5 - 9.5 0090<br />
AMATOM AMATOM<br />
DIAMETER x PITCH THREAD CODE DIAMETER X PITCH THREAD CODE<br />
M1.6 x 0.35 1635 M5.0 x 0.8 0580<br />
M2.0 x 0.4 0240 M6.0 x 1.0 0610<br />
M2.5 x 0.45 2545 *M6.3 x 1.0 6310<br />
M3.0 x 0.5 0350 M8.0 x 1.25 8125<br />
M3.5 x 0.6 3560 M10.0 x 1.5 1015<br />
M4.0 x 0.7 0470 M12.0 x 1.75 1217<br />
*Special Order Only<br />
CLEARANCE HOLE CODE<br />
THREAD PART NO. CODE CHART<br />
<strong>Amatom</strong> metric threads are in conformance with ISO standards.<br />
Specifications<br />
METRIC THREAD SIZES<br />
Recommended by ANSI-OMFS and IFI<br />
DIAMETER x PITCH DIAMETER x PITCH<br />
M1.6 x 0.35 M5.0 x 0.8<br />
M2.0 x 0.4 *M6.3 x 1.0<br />
M2.5 x 0.45 M8.0 x 1.25<br />
M3.0 x 0.5 M10.0 x 1.5<br />
M3.5 x 0.6 M12.0 x 1.75<br />
M4.0 x 0.7 M14.0 x 2.0<br />
*Not included in ISO Series. (The nearest ISO Standard<br />
is M6 x 1.0)<br />
LENGTH OF THREAD<br />
BRASS, ALUMINUM & STEEL PARTS<br />
M2.5 thread is tapped thru 15.9MM in length<br />
M3 and larger thread is tapped thru 25.4MM in length<br />
STAINLESS STEEL & NYLON PARTS<br />
M2.5 thread is tapped thru 9.6MM in length<br />
M3 thread is tapped thru 12.7 MM in length<br />
M3.5 and larger thread is tapped thru 25.4MM in length<br />
For lengths longer than specified above – see chart<br />
below.<br />
DEPTH OF THREAD CHART<br />
Recommended Blind Hole<br />
Thread Engagement<br />
(Drilled and Tapped Both Ends)<br />
THREAD SCREW<br />
SIZE ENGAGEMENT<br />
M2.5 4.8MM<br />
M3.0 6.4MM<br />
M3.5 9.5MM<br />
M4.0 11.1MM<br />
M5.0 12.7MM<br />
M6.0 *14.3MM<br />
M8.0 *14.3MM<br />
*Depending on overall length of body.<br />
5 Pasco Hill Road • Cromwell, CT 06416-1093<br />
Phone: 860-828-0847 • Call Toll Free: 800-243-6032 • Fax: 860-828-0381<br />
Web Address: http://www.amatom.com • E-Mail: sales@amatom.com<br />
43<br />
METRIC STANDOFFS & SPACERS
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