NAAMS Hexagon Nuts

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Freer Tool & Supply’s NAAMS hexagon nuts collection supports secure, repeatable fastening for welding fixtures, assembly tooling, and automation builds. Hex nuts are a core part of any NAAMS-standard hardware stack—used with bolts, studs, and washers to clamp bases, risers, brackets, and mounting components in place while helping maintain alignment through vibration and repeated production cycles.

NAAMS hexagon nuts come with fine or coarse threads. They are offered as a regular nut, with a washer face, as a jam nut, or a jam nut with a washer face. These nuts come in all sizes from an M5 x 0.8 to M36 x 4. Specifications are set to ANSI B18.2.4.2M for dimensions and ASTM A563M, class 12 steel.

NAAMS Hexagon Nuts Dimensions

NAAMS Code	Nom. Nut & Thread Pitch	S		E		M		D (Dw)	C
NAAMS Code	Nom. Nut & Thread Pitch	Max	Min	Max	Min	Max	Min	Min	Max	Min
F392436	M24 x 2	36	35	41.57	39.55	23.9	22.6	33.2	-	-
F420508	M5 x 0.8	8	7.78	9.24	8.79	5.1	4.8	6.9	-	-
F420610	M6 x 1	10	9.78	11.55	11.05	5.7	5.4	8.9	-	-
F420813	M8 x 1.25	13	12.73	15.01	14.38	7.5	7.14	11.6	-	-
F421016	M10 x 1.5	16	15.73	18.48	17.77	9.3	8.94	14.6	-	-
F421218	M12 x 1.75	18	17.73	20.78	20.03	12	11.57	16.6	-	-
F421624	M16 x 2	24	23.67	27.71	26.75	16.4	15.7	22.5	-	-
F422030	M20 x 2.5	30	29.16	34.64	32.95	20.3	19	27.7	0.8	0.4
F422436	M24 x 3	36	35	41.57	39.55	23.9	22.6	33.2	0.8	0.4
F423046	M30 x 3.5	46	45	53.12	50.85	28.6	27.3	42.7	0.8	0.4
F423655	M36 x 4	55	53.8	63.51	60.79	34.7	33.1	51.1	0.8	0.4
F451017	M10 x 1.25	17	-	-	-	5	-	-	-	-
F451219	M12 x 1.25	19	-	-	-	6	-	-	-	-
F451624	M16 x 1.5	24	-	-	-	8	-	-	-	-
F452030	M20 x 1.5	30	-	-	-	10	-	-	-	-
F452436	M24 x 2	36	-	-	-	13.5	-	-	-	-
F452741	M27 x 2	41	-	-	-	13.5	-	-	-	-
F453650	M36 x 2	50	-	-	-	16	-	-	-	-
F470508	M5 x 0.8	8	7.78	9.24	8.79	2.7	2.45	6.9	-	-
F470610	M6 x 1	10	9.78	11.55	11.05	3.2	2.9	8.9	-	-
F470813	M8 x 1.25	13	12.73	15.01	14.38	4	3.7	11.6	-	-
F471016	M10 x 1.5	16	15.73	18.48	17.77	5	4.7	14.6	-	-
F471218	M12 x 1.75	18	17.73	20.78	20.03	6	5.7	16.6	-	-
F471624	M16 x 2	24	23.67	27.71	26.75	8	7.42	22.5	-	-
F472030	M20 x 2.5	30	29.16	34.64	32.95	10	9.1	27.7	-	-
F472436	M24 x 3	36	35	41.57	39.55	12	10.9	33.2	-	-
F473046	M30 x 3.5	46	45	53.12	50.85	15	13.9	42.7	-	-
F473655	M36 x 4	55	53.8	63.51	60.79	18	16.9	51.1	-	-
F480508	M5 x 0.8	8	7.78	9.24	8.79	2.7	2.45	6.9	-	-
F480610	M6 x 1	10	9.78	11.55	11.05	3.2	2.9	8.9	-	-
F480813	M8 x 1.25	13	12.73	15.01	14.38	4	3.7	11.6	-	-
F461017	*M10 x 1.25	17	-	-	-	5	-	-	-	-
F481016	M10 x 1.5	16	15.73	18.48	17.77	5	4.7	14.6	-	-
F461219	*M12 x 1.25	19	-	-	-	6	-	-	-	-
F481218	M12 x 1.75	18	17.73	20.78	20.03	6	5.7	16.6	-	-
F461624	*M16 x 1.5	24	-	-	-	8	-	-	-	-
F481624	M16 x 2	24	23.67	27.71	26.75	8	7.42	22.5	-	-
F462030	*M20 x 1.5	30	-	-	-	10	-	-	-	-
F482030	M20 x 2.5	30	29.16	34.64	32.95	10	9.1	27.7	0.8	0.4
F482436	M24 x 3	36	35	41.57	39.55	12	10.9	33.2	0.8	0.4
F462741	*M27 x 2	41	-	-	-	13.5	-	-	-	-
F483046	M30 x 3.5	46	45	53.12	50.85	15	13.9	42.7	0.8	0.4
F463650	*M36 x 2	50	-	-	-	16	-	-	-	-
F483655	M36 x 4	55	53.8	63.51	60.79	18	16.9	51.1	0.8	0.4

OPTIONAL NUT SELECTION:
DIMENSIONAL SPEC’S. - DIN 934
MATERIAL SPEC’S. - DIN 267 - PART 4

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NAAMS Hexagon Nut F481016 M10 x 1.5

SKU: FN-F481016
MPN: F481016, A442010000J

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NAAMS Hexagon Nut F481218 M12 x 1.75

SKU: FN-F481218
MPN: F481218, A442012000J

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NAAMS Hexagon Nut F481624 M16 x 2

SKU: FN-F481624
MPN: F481624, A442016000J

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