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Spaenaur

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B<br />

Washers<br />

Rondelles<br />

METRIC BLUE ®<br />

HIGH STRENGTH<br />

Heavy Pattern Flat Washers<br />

Case Hardened Carbon Steel<br />

All Dimensions in Millimetres<br />

Nominal A B C<br />

Bolt SPAENAUR Inside Dia. Outside Dia. Thickness<br />

Size No. Max.-Min. Max.-Min. Max.-Min.<br />

M6 MET201995 6.9-6.6 19.2-18.9 3.6-3.3<br />

M8 MET201996 9.9-9.7 22.1-21.8 4.2-3.6<br />

M10 MET201997 10.9-10.7 24.0-23.6 5.0-4.2<br />

M12 MET201998 13.6-13.3 32.0-31.5 6.7-5.7<br />

M16 MET201999 17.6-17.3 38.3-37.8 8.1-7.2<br />

M20 MET202000 22.8-22.5 45.5-45.0 8.1-7.2<br />

M24 MET202001 26.3-25.0 63.8-63.2 8.2-7.6<br />

Metric<br />

Métrique<br />

FEATURES<br />

• Coated with exclusive MB2000 TM<br />

Fastener Coating for exceptional<br />

corrosion resistance and easy<br />

metric identification<br />

• MB2000 TM Coating reduces the risk<br />

of hydrogen embrittlement often<br />

associated with electroplating<br />

• Each washer features identification<br />

markings for lifetime traceability<br />

• Features exclusive Mini-Cert TM label<br />

on package<br />

• Case hardened to Rc 69-73 to resist<br />

embedment<br />

• Thick pattern accommodates<br />

greater bearing loads<br />

• For use with screws of Property<br />

Class 10.9 or higher<br />

METRIC BLUE ®<br />

HIGH STRENGTH<br />

Flat Washers<br />

Heat Treated Carbon Steel<br />

All Dimensions in Millimetres<br />

Nominal A B C<br />

Bolt SPAENAUR Inside Dia. Outside Dia. Thickness<br />

Size No. Max.-Min. Max.-Min. Max.-Min.<br />

M5 MET217931 5.4-5.8 10.5-9.5 2.5-1.2<br />

M6 MET202003 7.4-7.0 12.0-11.0 3.0-2.0<br />

M8 MET202005 9.6-9.0 17.0-16.0 3.5-2.5<br />

M10 MET202006 12.0-11.0 21.5-20.0 4.5-3.0<br />

M12 MET202007 15.0-14.4 27.0-25.7 4.6-3.1<br />

M16 MET202009 18.4-18.0 34.0-32.4 4.6-3.1<br />

M20 MET202010 22.5-22.0 42.5-40.0 4.6-3.1<br />

M24 MET202011 26.5-26.0 50.0-48.4 4.6-3.4<br />

FEATURES<br />

• Coated with exclusive MB2000 TM<br />

Fastener Coating for exceptional<br />

corrosion resistance and easy<br />

metric identification<br />

• MB2000 TM Coating reduces the<br />

risk of hydrogen embrittlement<br />

often associated with electroplating<br />

• Features Mini-Cert TM label on<br />

every package<br />

• Size and identification markings on<br />

every washer<br />

• Resists embedment from<br />

hardened screws<br />

• Permits greater load distribution by<br />

providing greater bearing surface<br />

• For use with screws of Property<br />

Class 10.9, 12.9 A325M and<br />

A490M<br />

• Diameters M12 and larger meet<br />

ASTM F436M. All sizes meet<br />

NAAMS specifications<br />

METRIC BLUE ®<br />

Heavy Helical Spring<br />

Lockwasher<br />

Case Hardened Spring Steel<br />

* HI Collar Spring Lockwasher<br />

Nominal<br />

Bolt<br />

Size<br />

M8<br />

M10<br />

M12<br />

M16<br />

SPAENAUR<br />

No.<br />

MET217667<br />

MET217666<br />

MET217665<br />

MET217664<br />

CATALOG 13<br />

Hardened Spring Steel<br />

M20<br />

MET187447*<br />

B282

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