Screws GN 1581

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

Product Family Stainless Steel Quality Class 4

The Ganter product range includes a large number of standard parts made of high-quality, non-rusting stainless steels. Thanks to their outstanding material properties, these are used in a wide array of industries. Their corrosion and rust resistance in particular contributes to the value stability and longevity of machines and equipment.

For easier differentiation, the stainless steels used by Ganter are divided into stainless steel quality classes:

Stainless Steel Quality Class 1

Stainless Steel Quality Class 2

Stainless Steel Quality Class 4

Show detailed information on the stainless steel quality classes

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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

Information on Hygienic Design Hygienic Design brochure EHEDG Certification Plastic Characteristics Stainless Steel Characteristics

Product description

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

Screw
Stainless steel AISI 316L

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

Sealing ring

HNBRH
Operating temperature -25 °C to +150 °C
EPDME
Operating temperature -40 °C to +120 °C
FKMF
Operating temperature -5 °C to +200 °C
FDA compliant material
Blue
Hardness 85±5 Shore A

RoHS

Accessory

Sealing Rings GN 7600
Sockets GN 3124
Combination Wrenches GN 3113 (Hygienic Design)

d₁	l₁ without shaft	with shaft	d₂	d₃	k	l₂	A/F

M 4	8	10	12	-	16	20	25	30	-	10	10,8	6,5	14	7
M 5	10	12	16	-	20	25	30	35	40	11	11,8	7	16	8
M 6	12	16	20	25	30	35	40	50	-	13	13,8	7,5	18	10
M 8	16	20	25	30	40	50	60	-	-	16	16,8	8,5	22	13
M 10	20	25	30	-	40	50	60	-	-	19	19,8	9,5	26	16
M 12	25	30	-	-	40	50	60	-	-	22	22,8	11	30	18
M 16	30	40	-	-	50	60	70	-	-	28	28,8	13	38	22
M 20	40	-	-	-	60	-	-	-	-	34	34,8	15	46	27

d₁

l₁
without shaft

with shaft

d₂

d₃

l₂

A/F