Keys · Parallel Keys

Parallel Keys — DIN 6885 / ISO 773

Name: Parallel Keys
Brand: engineeringhardware.com
SKU: EH-KEY-01
Price: 0.1 USD
Availability: InStock

Parallel Keys to DIN 6885 / ISO 773. Full dimensional table, materials, finishes and quotation. 26 sizes listed.

Technical Drawing

Select a size to view the dimensioned line drawing. Annotations update automatically from the selected dimensions.

Manufactured to DIN 6885 / ISO 773, Parallel Keys are keys supplied by engineeringhardware.com. The dimensional data, materials and selection notes are summarized here.

What Are Parallel Keys?

Parallel Keys are keys defined by DIN 6885 / ISO 773. They are selected by thread size and the dimensional characteristics shown below, and are available in a range of materials and finishes to suit the application and environment.

Dimensions & Specifications (DIN 6885 / ISO 773)

Shaft diameter range (mm)	Key width b (mm)	Key height h (mm)	Key length range (mm)	Shaft groove depth t1 (mm)	Hub groove depth t2 (mm)	Reference standard	Notes
6~8	2	2	6~20	1.2	1.0	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
8~10	3	3	6~36	1.8	1.4	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
10~12	4	4	8~45	2.5	1.8	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
12~17	5	5	10~56	3.0	2.3	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
17~22	6	6	14~70	3.5	2.8	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
22~30	8	7	18~90	4.0	3.3	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
30~38	10	8	22~110	5.0	3.3	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
38~44	12	8	28~140	5.0	3.3	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
44~50	14	9	36~160	5.5	3.8	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
50~58	16	10	45~180	6.0	4.3	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
58~65	18	11	50~200	7.0	4.4	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
65~75	20	12	56~220	7.5	4.9	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
75~85	22	14	63~250	9.0	5.4	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
85~95	25	14	70~280	9.0	5.4	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
95~110	28	16	80~320	10.0	6.4	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
110~130	32	18	90~360	11.0	7.4	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
130~150	36	20	100~400	12.0	8.4	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
150~170	40	22	100~400	13.0	9.4	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
170~200	45	25	110~450	15.0	10.4	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
200~230	50	28	125~500	17.0	11.4	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
230~260	56	32	140~500	20.0	12.4	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
260~290	63	32	160~500	20.0	12.4	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
290~330	70	36	180~500	22.0	14.4	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
330~380	80	40	200~500	25.0	15.4	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
380~440	90	45	220~500	28.0	17.4	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square
440~500	100	50	250~500	31.0	19.5	DIN 6885 type A / ISO 773	Type A round ends; B square ends; C one round one square

Materials & Finishes

Common materials include carbon steel (typically zinc plated or hot-dip galvanized), alloy steel in property classes 8.8, 10.9 and 12.9, and stainless steel A2 (304) or A4 (316) for corrosion resistance. Specify the material, property class and surface finish appropriate to your load and environment.

Typical Applications

Transmitting torque between shafts and hubs in gears, pulleys and couplings.

Related Fasteners

Pricing

Parallel Keys are stocked and supplied to order. Pricing starts from approximately US$0.10 per piece for standard sizes in carbon steel; final pricing depends on size, material, finish and order quantity (MOQ applies). Request a quotation below for your exact specification.

Request a Quotation for Parallel Keys

Tell us the size, material, finish and quantity you need for Parallel Keys (DIN 6885 / ISO 773) and our team will respond within one business day.

Category Type Standard Thread size Material Finish

Frequently Asked Questions

What standard do Parallel Keys conform to?

Parallel Keys are manufactured to DIN 6885 / ISO 773. The dimensional values on this page follow that standard.

What sizes are available for Parallel Keys?

The table on this page lists 26 sizes, ranging from 6~8 to 440~500. Other sizes can be quoted on request.

What materials and finishes are Parallel Keys available in?

Common options are carbon steel (zinc plated or hot-dip galvanized), alloy steel in property classes 8.8/10.9/12.9, and stainless steel A2 (304) or A4 (316). Specify material and finish to suit your load and environment.

How do I request a quote for Parallel Keys?

Use the fastener finder on this page to set the size, material, finish and quantity, then submit the request. A specialist from engineeringhardware.com will reply within one business day.