Section C

Hex Low Nuts / Thick Nuts Écrous hexagonaux bas�/ hauts

Metric Métrique

DIN 439B

HEXAGON LOW NUTS

ISO Metric PROPERTY CLASSES 4, 5 & 6 STEEL and A2 STAINLESS STEEL (Property Class 5 will be discontinued when present stock expires.)

This Standard has been replaced. Please see Catalog Page R21 for more information.

FINE THREAD

(See page C13 for COARSE THREAD)

ORDER BY SPAENAUR NUMBERS LISTED BELOW

Metric CLASS 4

Metric CLASS 5

C

DIA. Width Thick Pitch

STAINLESS

PKG QTY.

in

in

A/F -ness

ZINC

STEEL

STEEL STAINLESS

mm mm mm mm

A2

PLAIN

PLATED

PLAIN

13 4 1.00 100 16 5 1.25 100

M8

156-134 156-134ZP 156-139 156-139ZP 156-138 156-138ZP

160-096

M10 M12 18

160-098 160-103

1.00 100 1.00 100

160-097

6

156-160ZP

M12 18 6 1.25 100

156-141 156-142 156-144 156-193 156-147 156-150 156-151 156-194 156-195 156-153 156-154 156-179 156-162 156-157 156-187

1.50 100

160-099

M14 21 7 1.50 100 M16 24 8 1.50 50 M18 27 9 1.50 50 M20 30 10 1.50 50

160-100

160-026

2.00 50

M22 32 11 1.50 50

2.00 50

M24 36 12 1.50 25

160-101

2.00 25

M30 46 15 1.50 25 1.50 10 2.00 10 M42 65 21 1.50 10 M33 50 16.5

156-197

SEE PAGE C13 FOR COARSE THREAD SIZES

160-103 A4 Stainless Steel

HEX THICK NUTS Metric Coarse Thread

UNI 5587

Steel, Zinc Plated Property Class 6 and 8

Dia. Width Thick- Pitch PROPERTY CLASS 8

PKG QTY.

in

in

A/F ness

SPAENAUR

mm mm mm mm M6 10 6 1.0 100 M8 13 8 1.25 100 M10 17.16 10 1.5 100 M12 19.18 12 1.75 100 M16 24 16 2.0 100 M20 30 20 2.5 50 M30 46 30 3.5 25

No.

156-336 156-337 156-338 156-339 156-340 156-341 156-343

PROPERTY CLASS 6 Dia. Width Thick- Pitch

CATALOG 14 CATALOG 14.09

PKG QTY.

in

in

A/F ness

SPAENAUR

mm mm mm mm

No.

M3 5.5 3 0.5 100

156-354 156-355

Thick ness

A/F

M4 7

4 0.7 100

C14

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28 APR 2022