18 catalogued sizes, dimensioned to DIN 2353. Pick any row and the technical drawing redraws to it.
Hydraulic Compression Fittings to DIN 2353 are catalogued in long 22-74 mm, with spanner 13-65 mm, bore 8-52 mm. 18 sizes are held in the table below, and the technical drawing redraws to whichever row you select.
Standard
DIN 2353
Long
22-74 mm
Spanner
13-65 mm
Bore
8-52 mm
Catalogued sizes
18
Dimensions are nominal values from the governing standard. Confirm the tolerance class for your application before ordering.
Process & plant pipingTapped connections on equipment and manifolds.
Typical applications
adapting between thread forms on a manifold
joining and sealing a fluid or air line
Service conditions to specify against
Marine and coastal
Available in A4 (316) stainless for chloride exposure — coastal structures, pool halls, water treatment and deck hardware, where A2 will eventually pit.
Customize the parameters below — every spec field is editable, and the drawing redraws to match the values you choose. Changing the size will snap the other fields to that size's standard values; you can then override any individual value.
Dimensioned line drawing of 4 Hydraulic Compression Fittings to DIN 2353. Side view and top view, drawn to the dimensions in the table below and redrawn for any size selected.
Nut length L (mm)
22
Nut width across flats (mm)
13
Tube bore (mm)
8
Max working pressure (bar)
400
Mating thread
M10x1
Notes
Compression hydraulic fitting
Sends the selected values to the quote form below.
Request a Quotation for Hydraulic Compression Fittings
The form below follows the current technical drawing configuration. Change the drawing values above and the request details update automatically.
Dimensions & Specifications (DIN 2353)
Every row below is a starting point for the customizer above — pick any size and the drawing will redraw to that row.
Tube OD (mm)
Nut length L (mm)
Nut width across flats (mm)
Tube bore (mm)
Max working pressure (bar)
Mating thread
Reference standard
Notes
4
22
13
8
400
M10x1
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
5
24
14
9
400
M12x1.5
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
6
27
17
11
400
M14x1.5
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
8
30
19
13
400
M16x1.5
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
10
33
22
16
400
M18x1.5
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
12
36
24
18
315
M22x1.5
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
14
39
27
20
315
M26x1.5
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
15
39
27
20
315
M26x1.5
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
16
42
30
22
315
M26x1.5
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
18
45
32
25
250
M30x2
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
20
48
36
27
250
M30x2
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
22
51
38
30
250
M36x2
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
25
55
41
32
250
M36x2
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
28
58
46
36
160
M42x2
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
30
60
48
38
160
M42x2
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
35
66
55
44
160
M52x2
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
38
69
58
47
160
M52x2
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
42
74
65
52
100
M60x2
DIN 2353 / ISO 8434-1
Compression hydraulic fitting
Hydraulic Compression Fittings are pipe & pneumatic fittings manufactured to DIN 2353. This page lists the full dimensional range with the key specifications engineers need to select and specify them.
What Are Hydraulic Compression Fittings?
Hydraulic Compression Fittings are pipe & pneumatic fittings defined by DIN 2353. They are selected by pipe thread size and the dimensional characteristics shown below, and are available in a range of materials and finishes to suit the application and environment.
Materials & Finishes
Common materials include carbon steel (typically zinc plated or hot-dip galvanized), hardened or case-hardened steel where wear matters, and stainless steel A2 (304) or A4 (316) for corrosion resistance. Specify the material, hardness where relevant, and the surface finish appropriate to your application and environment.
Specification Guides
Each size, material and standard of Hydraulic Compression Fittings has its own reference page with the figures for that one configuration.
Hydraulic Compression Fittings are supplied to order. Pricing starts from approximately US$0.45 per piece for standard sizes in carbon steel; final pricing depends on size, material, finish and order quantity (MOQ applies). Submit your exact configuration with the quote form above.
Custom manufacturing · Made to drawing
Need a hydraulic compression fittings outside the standard range?
Dimensions, material, finish and form are specified from the drawing — a pipe & pneumatic fitting outside the standard range is a variation on existing tooling rather than a new design.
Minimum order from 2,000 pieces; samples within 7 days of drawing approval.
This part is cold-formed, threaded, heat-treated and finished in-house. The stages below are where its class and finish are actually decided.
01
Cold heading
Wire rod is drawn to size and cold-formed into blanks. Forming rather than cutting keeps the grain flow continuous around the head, which is where a bolt is most likely to fail.
Head dimensions and under-head radius checked at set-up and per shift.
02
Thread rolling
Threads are rolled between hardened dies rather than cut. Rolled threads are stronger in fatigue than cut threads and hold pitch and flank angle far more consistently across a batch.
Go / no-go ring gauges to ISO 965 tolerance class 6g.
03
Heat treatment
Quench-and-temper brings carbon and alloy steel to the property class ordered — 8.8, 10.9 or 12.9 — with the furnace charge tracked so a finished lot can be traced back to it.
Core hardness and tensile tested per lot to ISO 898-1.
04
Surface treatment
Zinc, zinc-nickel, hot-dip galvanizing, black oxide, phosphate and Dacromet, selected against the service environment rather than against the price list.
Coating thickness and neutral salt spray hours to ISO 9227.
Third-party video, selected automatically for this topic. It is not produced by Engineering Hardware and is not a specification source — use the tables on this page for dimensional data.
Frequently Asked Questions
Which standard governs Hydraulic Compression Fittings?
Hydraulic Compression Fittings are manufactured to DIN 2353. The dimensional values on this page follow that standard.
What sizes are available for Hydraulic Compression Fittings?
The table on this page lists 18 sizes for Hydraulic Compression Fittings, ranging from 4 to 42. Sizes outside the table can be quoted on request.
In which materials are Hydraulic Compression Fittings supplied?
Hydraulic Compression Fittings are supplied in brass, carbon steel and stainless, with finishes including zinc plating, hot-dip galvanizing and black oxide. Choose material and finish to suit the load and the service environment for Hydraulic Compression Fittings.
How do I request a quotation?
Use the parametric drawing on this page to set the exact configuration (size, material, finish) and click "Request this configuration" — a specialist from Engineering Hardware will respond within one business day.
Need a fastener quote or a spec sheet?Message our engineers on WhatsApp — send a drawing or DIN number and get pricing back fast.Start WhatsApp Chat →
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