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DIN 319

Ball Knobs

Plastic / Steel / Aluminum / Stainless Steel

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Plastic with Bushing in Brass

Plastic, Press on type

DIN-319-KT

Ball Knobs

Plastic, Press on type

Description

Specification

Version in Plastic

Types

Type C: With tapped hole (no bushing)

Type E: With tapped bushing

Plastic KU

Duroplast (Phenolic PF)

Flash removed and polished finish

Black (standard color)

Red RT, similar RAL 3003: add RT on order code

Bushing (Type E)

Steel, zinc plated (standard version)

Brass MS add MS on order code (only in black version)

Plastic KT

Technopolymer (Polyamide PA)

Shock resistant

Black, matte finish (standard color)

Red RT, similar RAL 3003: add RT on order code

Bushing (Type E)

Steel, zinc plated

Version in Steel

Types

Type C: With tapped hole

Type K: With plain hole H7

Steel ST

Polished

Version in Aluminium

Types

Type C: With tapped hole

Type K: With plain hole H7

Aluminium AL

Polished

Version in Stainless Steel

Types

Type C: With tapped hole

Type K: With plain hole H7

Stainless Steel AISI 303 NI

Matte shot-blasted

Version in Plastic (Press on type)

Types

Type L: With tolerance ring

Type M: With tapered bore

Type L

Plastic KU

Duroplast (Phenolic PF)

Black, shiny finish

Tolerance ring

Spring steel

Type M

Plastic KT

Technopolymer (Polyamide PA)

Shock resistant

Black, matte finish

Information

When ball knobs DIN 319 (Press on type) type L and M are used the shaft does not require a thread.

During mounting, easy blows with a soft hammer are sufficient to drive the knob into place, the shaft end should be slightly rounded or chamfered (30°).

Before the assembly of the knobs, type L the tolerance ring is to be inserted into the drilling. Further it is to be noted that the button is put on perpendicular and / or axially parallel. Otherwise the knob may break.

Ball knobs, type M are a more economic solution.

Ball knobs DIN 319 in sizes 30 and 35, as well as various thread of type C and ball knobs made of technopolymer (KT) are not on the official DIN standard sheet.

Ball knobs DIN 319 made of steel, aluminum and stainless steel are not on the official DIN standard sheet.

On request

Red version

Technical information

ISO-Fundamental Tolerances

Stainless Steel characteristics

Plastic characteristics - Duroplast

Plastic characteristics - Technopolymer

DIN 319-AL

	d₁	d₂	d₃ H7	d₄ ≈	h ≈	t₁ min.	t₂ min.
Code									Actions
DIN 319-AL-16-B6-K	16	-	B 6	8	15	7	9	6
DIN 319-AL-16-M4-C	16	M 4	-	8	15	7	9	7
DIN 319-AL-20-B8-K	20	-	B 8	12	18	9	11	10
DIN 319-AL-20-M5-C	20	M 5	-	12	18	9	11	12
DIN 319-AL-25-B10-K	25	-	B 10	15	22.5	11	14	18
DIN 319-AL-25-M6-C	25	M 6	-	15	22.5	11	14	22
DIN 319-AL-32-B12-K	32	-	B 12	18	29	14.5	17	41
DIN 319-AL-32-M8-C	32	M 8	-	18	29	14.5	17	43
DIN 319-AL-40-B16-K	40	-	B 16	22	37	18	22	75
DIN 319-AL-40-M10-C	40	M 10	-	22	37	18	22	80
DIN 319-AL-50-B20-K	50	-	B 20	27	46	21	28	146
DIN 319-AL-50-M12-C	50	M 12	-	27	46	21	28	173

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