Product Family: Stainless Steel (769 Hits) You are here: Product Overview > 3.2 Mounting, Positioning, Leveling with Screws, Clamping and Supporting Elements > Swing Bolts, Set Screws, Shoulder Screws > GN 1581 Hex Head Screws previous product next product

GN 1581 Hex Head Screws Stainless Steel, Low-Profile Head, Hygienic Design

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Finish: MT - Matte finish (Ra < 0.8 µm)
Sealing ring material: E - EPDM

Product Family Stainless Steel

Standard parts made of rustproof stainless steel have been designed for use in the food sector, in the chemical industry, for aggressive ambient conditions or for outdoor use.

corrosion-resistant
precise fit
environmentally friendly

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Product Family Hygienic Design

Standard Parts of the “Hygienic Design” product family are labeled with the HD icon. They combine high surface quality, freedom from dead spaces, non-scooped outer surfaces, and sealed bolting areas. A sealing concept based on FEM calculations ensures reliable contact pressure after installation.

suitable for use in hygienically sensitive areas
quick and easy cleaning
no dead spaces due to functional seals
certified according to EHEDG guidelines

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FDA compliant

Standard Sheet GN 1581 Print This Page Hygienic Design Information Hygienic Design - Leaflet EHEDG Certification Product Family Hygienic Design Plastic Characteristics Stainless Steel Characteristics

Product description

Information

The metric versions of the hex head screws GN 1581 with low-profile head are intended for use in hygiene areas. The versions with seal ring, H and E, are additionally certified according to the guidelines of the EHEDG. The sealed mounting surface enables components to be mounted without dead spaces. The high quality finish as well as the large corner radii and closed surfaces prevent adherence of dirt and facilitate cleaning.

Specification

Body
Stainless steel AISI 316L

Matte finish (Ra < 0.8 µm)MT
Polished finish (Ra < 0.8 µm)PL

Sealing ring

H-NBRH
Operating temperature
-13 °F to +302 °F (-25 °C to +150 °C)
EPDME
Operating temperature
-40 °F to +248 °F (-40 °C to +120 °C)
FKMF
Operating temperature
+23 °F to +392 °F (-5 °C to +200 °C)
Blue
Hardness 85±5 Shore A
FDA compliant

RoHS

Accessory

Sealing Rings GN 7600 (Hygienic Design)

Technical drawing

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Part Options / Table

Part Number MT	Part Number PL	d₁	l₁ Without shaft	With shaft	d₂	d₃	k	l₂	A/F

1581-M4-8-MT-H	1581-M4-8-PL-H	M 4	0.31	-	0.39	0.43	0.26	-	0.2756
1581-M4-10-MT-H	1581-M4-10-PL-H	M 4	0.39	-	0.39	0.43	0.26	-	0.2756
1581-M4-12-MT-H	1581-M4-12-PL-H	M 4	0.47	-	0.39	0.43	0.26	-	0.2756
1581-M4-16-MT-H	1581-M4-16-PL-H	M 4	-	0.63	0.39	0.43	0.26	-	0.2756
1581-M4-20-MT-H	1581-M4-20-PL-H	M 4	-	0.79	0.39	0.43	0.26	0.55	0.2756
1581-M4-25-MT-H	1581-M4-25-PL-H	M 4	-	0.98	0.39	0.43	0.26	-	0.2756
1581-M4-30-MT-H	1581-M4-30-PL-H	M 4	-	1.18	0.39	0.43	0.26	0.55	0.2756
1581-M5-10-MT-H	1581-M5-10-PL-H	M 5	0.39	-	0.43	0.46	0.28	-	0.3150
1581-M5-16-MT-H	1581-M5-16-PL-H	M 5	0.63	-	0.43	0.46	0.28	-	0.3150
1581-M5-20-MT-H	1581-M5-20-PL-H	M 5	-	0.79	0.43	0.46	0.28	0.63	0.3150
1581-M5-25-MT-H	1581-M5-25-PL-H	M 5	-	0.98	0.43	0.46	0.28	-	0.3150
1581-M5-30-MT-H	1581-M5-30-PL-H	M 5	-	1.18	0.43	0.46	0.28	0.63	0.3150
1581-M5-35-MT-H	1581-M5-35-PL-H	M 5	-	1.38	0.43	0.46	0.28	-	0.3150
1581-M5-40-MT-H	1581-M5-40-PL-H	M 5	-	1.57	0.43	0.46	0.28	0.63	0.3150
1581-M6-12-MT-H	1581-M6-12-PL-H	M 6	0.47	-	0.51	0.54	0.30	-	0.3937
1581-M6-16-MT-H	1581-M6-16-PL-H	M 6	0.63	-	0.51	0.54	0.30	-	0.3937
1581-M6-20-MT-H	1581-M6-20-PL-H	M 6	0.79	-	0.51	0.54	0.30	-	0.3937
1581-M6-25-MT-H	1581-M6-25-PL-H	M 6	0.98	-	0.51	0.54	0.30	-	0.3937
1581-M6-30-MT-H	1581-M6-30-PL-H	M 6	-	1.18	0.51	0.54	0.30	0.71	0.3937
1581-M6-35-MT-H	1581-M6-35-PL-H	M 6	-	1.38	0.51	0.54	0.30	-	0.3937
1581-M6-40-MT-H	1581-M6-40-PL-H	M 6	-	1.57	0.51	0.54	0.30	0.71	0.3937
1581-M6-50-MT-H	1581-M6-50-PL-H	M 6	-	1.97	0.51	0.54	0.30	0.71	0.3937
1581-M8-16-MT-H	1581-M8-16-PL-H	M 8	0.63	-	0.63	0.66	0.33	-	0.5118
1581-M8-20-MT-H	1581-M8-20-PL-H	M 8	0.79	-	0.63	0.66	0.33	-	0.5118
1581-M8-25-MT-H	1581-M8-25-PL-H	M 8	0.98	-	0.63	0.66	0.33	-	0.5118
1581-M8-30-MT-H	1581-M8-30-PL-H	M 8	1.18	-	0.63	0.66	0.33	-	0.5118
1581-M8-40-MT-H	1581-M8-40-PL-H	M 8	-	1.57	0.63	0.66	0.33	0.87	0.5118
1581-M8-50-MT-H	1581-M8-50-PL-H	M 8	-	1.97	0.63	0.66	0.33	0.87	0.5118
1581-M8-60-MT-H	1581-M8-60-PL-H	M 8	-	2.36	0.63	0.66	0.33	0.87	0.5118
1581-M10-20-MT-H	1581-M10-20-PL-H	M 10	0.79	-	0.75	0.78	0.37	-	0.6299
1581-M10-25-MT-H	1581-M10-25-PL-H	M 10	0.98	-	0.75	0.78	0.37	-	0.6299
1581-M10-30-MT-H	1581-M10-30-PL-H	M 10	1.18	-	0.75	0.78	0.37	-	0.6299
1581-M10-40-MT-H	1581-M10-40-PL-H	M 10	-	1.57	0.75	0.78	0.37	1.02	0.6299
1581-M10-50-MT-H	1581-M10-50-PL-H	M 10	-	1.97	0.75	0.78	0.37	1.02	0.6299
1581-M10-60-MT-H	1581-M10-60-PL-H	M 10	-	2.36	0.75	0.78	0.37	1.02	0.6299
1581-M12-25-MT-H	1581-M12-25-PL-H	M 12	0.98	-	0.87	0.90	0.43	-	0.7087
1581-M12-30-MT-H	1581-M12-30-PL-H	M 12	1.18	-	0.87	0.90	0.43	-	0.7087
1581-M12-40-MT-H	1581-M12-40-PL-H	M 12	-	1.57	0.87	0.90	0.43	1.18	0.7087
1581-M12-50-MT-H	1581-M12-50-PL-H	M 12	-	1.97	0.87	0.90	0.43	1.18	0.7087
1581-M12-60-MT-H	1581-M12-60-PL-H	M 12	-	2.36	0.87	0.90	0.43	1.18	0.7087
1581-M16-30-MT-H	1581-M16-30-PL-H	M 16	1.18	-	1.10	1.13	0.51	-	0.8661
1581-M16-40-MT-H	1581-M16-40-PL-H	M 16	1.57	-	1.10	1.13	0.51	-	0.8661
1581-M16-50-MT-H	1581-M16-50-PL-H	M 16	-	1.97	1.10	1.13	0.51	1.50	0.8661
1581-M16-60-MT-H	1581-M16-60-PL-H	M 16	-	2.36	1.10	1.13	0.51	1.50	0.8661
1581-M16-70-MT-H	1581-M16-70-PL-H	M 16	-	2.76	1.10	1.13	0.51	1.50	0.8661
1581-M20-40-MT-H	1581-M20-40-PL-H	M 20	1.57	-	1.34	1.37	0.59	-	1.0630
1581-M20-60-MT-H	1581-M20-60-PL-H	M 20	-	2.36	1.34	1.37	0.59	1.81	1.0630

Part Number MT	Part Number PL	d₁	l₁ Without shaft	With shaft	d₂	d₃	k	l₂	A/F

1581-M4-8-MT-E	1581-M4-8-PL-E	M 4	0.31	-	0.39	0.43	0.26	-	0.2756
1581-M4-10-MT-E	1581-M4-10-PL-E	M 4	0.39	-	0.39	0.43	0.26	-	0.2756
1581-M4-12-MT-E	1581-M4-12-PL-E	M 4	0.47	-	0.39	0.43	0.26	-	0.2756
1581-M4-16-MT-E	1581-M4-16-PL-E	M 4	-	0.63	0.39	0.43	0.26	-	0.2756
1581-M4-20-MT-E	1581-M4-20-PL-E	M 4	-	0.79	0.39	0.43	0.26	0.55	0.2756
1581-M4-25-MT-E	1581-M4-25-PL-E	M 4	-	0.98	0.39	0.43	0.26	-	0.2756
1581-M4-30-MT-E	1581-M4-30-PL-E	M 4	-	1.18	0.39	0.43	0.26	0.55	0.2756
1581-M5-10-MT-E	1581-M5-10-PL-E	M 5	0.39	-	0.43	0.46	0.28	-	0.3150
1581-M5-16-MT-E	1581-M5-16-PL-E	M 5	0.63	-	0.43	0.46	0.28	-	0.3150
1581-M5-20-MT-E	1581-M5-20-PL-E	M 5	-	0.79	0.43	0.46	0.28	0.63	0.3150
1581-M5-25-MT-E	1581-M5-25-PL-E	M 5	-	0.98	0.43	0.46	0.28	-	0.3150
1581-M5-30-MT-E	1581-M5-30-PL-E	M 5	-	1.18	0.43	0.46	0.28	0.63	0.3150
1581-M5-35-MT-E	1581-M5-35-PL-E	M 5	-	1.38	0.43	0.46	0.28	-	0.3150
1581-M5-40-MT-E	1581-M5-40-PL-E	M 5	-	1.57	0.43	0.46	0.28	0.63	0.3150
1581-M6-12-MT-E	1581-M6-12-PL-E	M 6	0.47	-	0.51	0.54	0.30	-	0.3937
1581-M6-16-MT-E	1581-M6-16-PL-E	M 6	0.63	-	0.51	0.54	0.30	-	0.3937
1581-M6-20-MT-E	1581-M6-20-PL-E	M 6	0.79	-	0.51	0.54	0.30	-	0.3937
1581-M6-25-MT-E	1581-M6-25-PL-E	M 6	0.98	-	0.51	0.54	0.30	-	0.3937
1581-M6-30-MT-E	1581-M6-30-PL-E	M 6	-	1.18	0.51	0.54	0.30	0.71	0.3937
1581-M6-35-MT-E	1581-M6-35-PL-E	M 6	-	1.38	0.51	0.54	0.30	-	0.3937
1581-M6-40-MT-E	1581-M6-40-PL-E	M 6	-	1.57	0.51	0.54	0.30	0.71	0.3937
1581-M6-50-MT-E	1581-M6-50-PL-E	M 6	-	1.97	0.51	0.54	0.30	0.71	0.3937
1581-M8-16-MT-E	1581-M8-16-PL-E	M 8	0.63	-	0.63	0.66	0.33	-	0.5118
1581-M8-20-MT-E	1581-M8-20-PL-E	M 8	0.79	-	0.63	0.66	0.33	-	0.5118
1581-M8-25-MT-E	1581-M8-25-PL-E	M 8	0.98	-	0.63	0.66	0.33	-	0.5118
1581-M8-30-MT-E	1581-M8-30-PL-E	M 8	1.18	-	0.63	0.66	0.33	-	0.5118
1581-M8-40-MT-E	1581-M8-40-PL-E	M 8	-	1.57	0.63	0.66	0.33	0.87	0.5118
1581-M8-50-MT-E	1581-M8-50-PL-E	M 8	-	1.97	0.63	0.66	0.33	0.87	0.5118
1581-M8-60-MT-E	1581-M8-60-PL-E	M 8	-	2.36	0.63	0.66	0.33	0.87	0.5118
1581-M10-20-MT-E	1581-M10-20-PL-E	M 10	0.79	-	0.75	0.78	0.37	-	0.6299
1581-M10-25-MT-E	1581-M10-25-PL-E	M 10	0.98	-	0.75	0.78	0.37	-	0.6299
1581-M10-30-MT-E	1581-M10-30-PL-E	M 10	1.18	-	0.75	0.78	0.37	-	0.6299
1581-M10-40-MT-E	1581-M10-40-PL-E	M 10	-	1.57	0.75	0.78	0.37	1.02	0.6299
1581-M10-50-MT-E	1581-M10-50-PL-E	M 10	-	1.97	0.75	0.78	0.37	1.02	0.6299
1581-M10-60-MT-E	1581-M10-60-PL-E	M 10	-	2.36	0.75	0.78	0.37	1.02	0.6299
1581-M12-25-MT-E	1581-M12-25-PL-E	M 12	0.98	-	0.87	0.90	0.43	-	0.7087
1581-M12-30-MT-E	1581-M12-30-PL-E	M 12	1.18	-	0.87	0.90	0.43	-	0.7087
1581-M12-40-MT-E	1581-M12-40-PL-E	M 12	-	1.57	0.87	0.90	0.43	1.18	0.7087
1581-M12-50-MT-E	1581-M12-50-PL-E	M 12	-	1.97	0.87	0.90	0.43	1.18	0.7087
1581-M12-60-MT-E	1581-M12-60-PL-E	M 12	-	2.36	0.87	0.90	0.43	1.18	0.7087
1581-M16-30-MT-E	1581-M16-30-PL-E	M 16	1.18	-	1.10	1.13	0.51	-	0.8661
1581-M16-40-MT-E	1581-M16-40-PL-E	M 16	1.57	-	1.10	1.13	0.51	-	0.8661
1581-M16-50-MT-E	1581-M16-50-PL-E	M 16	-	1.97	1.10	1.13	0.51	1.50	0.8661
1581-M16-60-MT-E	1581-M16-60-PL-E	M 16	-	2.36	1.10	1.13	0.51	1.50	0.8661
1581-M16-70-MT-E	1581-M16-70-PL-E	M 16	-	2.76	1.10	1.13	0.51	1.50	0.8661
1581-M20-40-MT-E	1581-M20-40-PL-E	M 20	1.57	-	1.34	1.37	0.59	-	1.0630
1581-M20-60-MT-E	1581-M20-60-PL-E	M 20	-	2.36	1.34	1.37	0.59	1.81	1.0630

Part Number MT	Part Number PL	d₁	l₁ Without shaft	With shaft	d₂	d₃	k	l₂	A/F

1581-M4-8-MT-F	1581-M4-8-PL-F	M 4	0.31	-	0.39	0.43	0.26	-	0.2756
1581-M4-10-MT-F	1581-M4-10-PL-F	M 4	0.39	-	0.39	0.43	0.26	-	0.2756
1581-M4-12-MT-F	1581-M4-12-PL-F	M 4	0.47	-	0.39	0.43	0.26	-	0.2756
1581-M4-16-MT-F	1581-M4-16-PL-F	M 4	-	0.63	0.39	0.43	0.26	-	0.2756
1581-M4-20-MT-F	1581-M4-20-PL-F	M 4	-	0.79	0.39	0.43	0.26	0.55	0.2756
1581-M4-25-MT-F	1581-M4-25-PL-F	M 4	-	0.98	0.39	0.43	0.26	-	0.2756
1581-M4-30-MT-F	1581-M4-30-PL-F	M 4	-	1.18	0.39	0.43	0.26	0.55	0.2756
1581-M5-10-MT-F	1581-M5-10-PL-F	M 5	0.39	-	0.43	0.46	0.28	-	0.3150
1581-M5-16-MT-F	1581-M5-16-PL-F	M 5	0.63	-	0.43	0.46	0.28	-	0.3150
1581-M5-20-MT-F	1581-M5-20-PL-F	M 5	-	0.79	0.43	0.46	0.28	0.63	0.3150
1581-M5-25-MT-F	1581-M5-25-PL-F	M 5	-	0.98	0.43	0.46	0.28	-	0.3150
1581-M5-30-MT-F	1581-M5-30-PL-F	M 5	-	1.18	0.43	0.46	0.28	0.63	0.3150
1581-M5-35-MT-F	1581-M5-35-PL-F	M 5	-	1.38	0.43	0.46	0.28	-	0.3150
1581-M5-40-MT-F	1581-M5-40-PL-F	M 5	-	1.57	0.43	0.46	0.28	0.63	0.3150
1581-M6-12-MT-F	1581-M6-12-PL-F	M 6	0.47	-	0.51	0.54	0.30	-	0.3937
1581-M6-16-MT-F	1581-M6-16-PL-F	M 6	0.63	-	0.51	0.54	0.30	-	0.3937
1581-M6-20-MT-F	1581-M6-20-PL-F	M 6	0.79	-	0.51	0.54	0.30	-	0.3937
1581-M6-25-MT-F	1581-M6-25-PL-F	M 6	0.98	-	0.51	0.54	0.30	-	0.3937
1581-M6-30-MT-F	1581-M6-30-PL-F	M 6	-	1.18	0.51	0.54	0.30	0.71	0.3937
1581-M6-35-MT-F	1581-M6-35-PL-F	M 6	-	1.38	0.51	0.54	0.30	-	0.3937
1581-M6-40-MT-F	1581-M6-40-PL-F	M 6	-	1.57	0.51	0.54	0.30	0.71	0.3937
1581-M6-50-MT-F	1581-M6-50-PL-F	M 6	-	1.97	0.51	0.54	0.30	0.71	0.3937
1581-M8-16-MT-F	1581-M8-16-PL-F	M 8	0.63	-	0.63	0.66	0.33	-	0.5118
1581-M8-20-MT-F	1581-M8-20-PL-F	M 8	0.79	-	0.63	0.66	0.33	-	0.5118
1581-M8-25-MT-F	1581-M8-25-PL-F	M 8	0.98	-	0.63	0.66	0.33	-	0.5118
1581-M8-30-MT-F	1581-M8-30-PL-F	M 8	1.18	-	0.63	0.66	0.33	-	0.5118
1581-M8-40-MT-F	1581-M8-40-PL-F	M 8	-	1.57	0.63	0.66	0.33	0.87	0.5118
1581-M8-50-MT-F	1581-M8-50-PL-F	M 8	-	1.97	0.63	0.66	0.33	0.87	0.5118
1581-M8-60-MT-F	1581-M8-60-PL-F	M 8	-	2.36	0.63	0.66	0.33	0.87	0.5118
1581-M10-20-MT-F	1581-M10-20-PL-F	M 10	0.79	-	0.75	0.78	0.37	-	0.6299
1581-M10-25-MT-F	1581-M10-25-PL-F	M 10	0.98	-	0.75	0.78	0.37	-	0.6299
1581-M10-30-MT-F	1581-M10-30-PL-F	M 10	1.18	-	0.75	0.78	0.37	-	0.6299
1581-M10-40-MT-F	1581-M10-40-PL-F	M 10	-	1.57	0.75	0.78	0.37	1.02	0.6299
1581-M10-50-MT-F	1581-M10-50-PL-F	M 10	-	1.97	0.75	0.78	0.37	1.02	0.6299
1581-M10-60-MT-F	1581-M10-60-PL-F	M 10	-	2.36	0.75	0.78	0.37	1.02	0.6299
1581-M12-25-MT-F	1581-M12-25-PL-F	M 12	0.98	-	0.87	0.90	0.43	-	0.7087
1581-M12-30-MT-F	1581-M12-30-PL-F	M 12	1.18	-	0.87	0.90	0.43	-	0.7087
1581-M12-40-MT-F	1581-M12-40-PL-F	M 12	-	1.57	0.87	0.90	0.43	1.18	0.7087
1581-M12-50-MT-F	1581-M12-50-PL-F	M 12	-	1.97	0.87	0.90	0.43	1.18	0.7087
1581-M12-60-MT-F	1581-M12-60-PL-F	M 12	-	2.36	0.87	0.90	0.43	1.18	0.7087
1581-M16-30-MT-F	1581-M16-30-PL-F	M 16	1.18	-	1.10	1.13	0.51	-	0.8661
1581-M16-40-MT-F	1581-M16-40-PL-F	M 16	1.57	-	1.10	1.13	0.51	-	0.8661
1581-M16-50-MT-F	1581-M16-50-PL-F	M 16	-	1.97	1.10	1.13	0.51	1.50	0.8661
1581-M16-60-MT-F	1581-M16-60-PL-F	M 16	-	2.36	1.10	1.13	0.51	1.50	0.8661
1581-M16-70-MT-F	1581-M16-70-PL-F	M 16	-	2.76	1.10	1.13	0.51	1.50	0.8661
1581-M20-40-MT-F	1581-M20-40-PL-F	M 20	1.57	-	1.34	1.37	0.59	-	1.0630
1581-M20-60-MT-F	1581-M20-60-PL-F	M 20	-	2.36	1.34	1.37	0.59	1.81	1.0630

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Metric

Dimensions in: Inch (change to Metric)

d₁	l₁ Without shaft				With shaft					d₂	d₃	k	l₂	A/F

M 4	0.31	0.39	0.47	-	0.63	0.79	0.98	1.18	-	0.39	0.43	0.26	0.55	0.2756
M 5	0.39	0.63	-	-	0.79	0.98	1.18	1.38	1.57	0.43	0.46	0.28	0.63	0.3150
M 6	0.47	0.63	0.79	0.98	1.18	1.38	1.57	1.97	-	0.51	0.54	0.30	0.71	0.3937
M 8	0.63	0.79	0.98	1.18	1.57	1.97	2.36	-	-	0.63	0.66	0.33	0.87	0.5118
M 10	0.79	0.98	1.18	-	1.57	1.97	2.36	-	-	0.75	0.78	0.37	1.02	0.6299
M 12	0.98	1.18	-	-	1.57	1.97	2.36	-	-	0.87	0.90	0.43	1.18	0.7087
M 16	1.18	1.57	-	-	1.97	2.36	2.76	-	-	1.10	1.13	0.51	1.50	0.8661
M 20	1.57	-	-	-	2.36	-	-	-	-	1.34	1.37	0.59	1.81	1.0630

Build & Price

3D Product Configurator

Selected Part

Part Number

Total Mexican Pesos (net)

Mex$295.20

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Quantity

Please note our quantity discounts (Mexican Pesos).

Min	Max	Price
1	24	Mex$404.42
25	49	Mex$370.72
50	99	Mex$337.02
≥ 100		Mex$303.32

Prop 65: Not compliant

WARNING:
Cancer and Reproductive Harm - www.P65Warnings.ca.gov

RoHS: Compliant

This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).

Weight: 0.013 lbs

If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: +52(81)2721-4021

All Prices are in Mexican Pesos. Taxes Not Included.