DIN 7985 Pan Phillips Machine Screw Technical Datasheet

DIN 7985 Phillips Pan Head Machine Screw (Cross Recess Type H)

DIN 7985 Phillips Pan Head Machine Screws are fully threaded metric machine screws featuring a rounded pan head with a Phillips cross recess (Type H). They are designed for fastening metal components, electrical equipment, sheet metal assemblies, machinery, control panels, enclosures, and general engineering applications where a neat protruding head is acceptable.

Although DIN 7985 has been superseded by ISO 7045, DIN 7985 remains one of the most commonly specified standards worldwide, and both designations are widely accepted in engineering drawings and procurement documents.

Dimensions

d1	M1.6	M2	M2.5	M3	M4	M5	M6	M8	M10
d2	3.2	4	5	6	8	10	12	16	20
k max	1.42	1.72	2.12	2.52	3.25	3.95	4.75	6.15	7.68
m ∼	1.8	2.5	2.7	3.1	4.6	5.3	6.8	9	10.2
Bit No.	0	1	1	1	2	2	3	4	4

all dimensions in mm

Dimensions Tolerances:
General dimensional tolerances for standard metric fasteners—including thread diameter, overall length, head diameter, head height/thickness, across flats, and washer dimensions—are available in our Standard Dimensional Tolerances for Common Metric Fasteners guide.

Certain product-specific features, such as drive recess dimensions, socket depth, countersink geometry, under-head radii, and other special characteristics, are governed by the applicable DIN or ISO product standard and may not included in this datasheet.

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Mechanical Properties

Material / Property Class	Tensile Strength	Yield Strength	Standard
Steel 4.8	≥ 400 MPa	≥ 320 MPa	ISO 898-1
Steel 5.8	≥ 500 MPa	≥ 400 MPa	ISO 898-1
Steel 8.8	≥ 800 MPa	≥ 640 MPa	ISO 898-1
Stainless Steel A2-50	≥ 500 MPa	—	ISO 3506-1
Stainless Steel A2-70	≥ 700 MPa	≥ 450 MPa	ISO 3506-1
Stainless Steel A4-70	≥ 700 MPa	≥ 450 MPa	ISO 3506-1
Titanium Grade 2	Approx. 345 MPa	Approx. 275 MPa	ASTM B348
Titanium Grade 5	Approx. 895 MPa	Approx. 828 MPa	ASTM B348

Material Characteristics and Recommended Applications

Material	Characteristics	Typical Applications
Steel Class 4.8	General-purpose fastening	Electrical assemblies, furniture
Steel Class 8.8	Higher tensile strength	Industrial machinery
Stainless Steel A2 (304)	Excellent corrosion resistance	Food processing, HVAC, electrical panels
Stainless Steel A4 (316)	Superior corrosion resistance	Marine, offshore, chemical plants
Brass	Non-magnetic, decorative, conductive	Electrical equipment, instrumentation
Titanium Grade 2	Lightweight, corrosion resistant	Aerospace, medical equipment
Titanium Grade 5	High strength-to-weight ratio	Aerospace, motorsports, high-performance engineering

Technical Specifications

Property	Specification
Product Name	Phillips Pan Head Machine Screw
Standard	DIN 7985
ISO Equivalent	ISO 7045
Head Style	Pan Head
Drive Type	Phillips (Type H)
Thread Type	Metric Coarse
Thread Direction	Right Hand
Product Grade	A
Thread Form	Fully Threaded
Thread Sizes	M1.6 to M10
Length Range	4 mm – 100 mm
Manufacturing Process	Cold Forged
Thread Manufacturing	Thread Rolled
Surface Finish	Plain, Zinc Plated, Yellow Zinc, Black Oxide, Nickel, Chrome, Geomet, Dacromet, Passivated
Mechanical Property Classes	4.8, 5.8, 8.8, A2-70, A4-70, Titanium Grade 2 & Grade 5
Thread Tolerance	6g
HSN Code	73181500

DIN 7985 Pan Phillips Head Screw Weight Chart

Weight in kgs. per 1,000 pcs. All weights are approximations.

Diameter/ Length	M2.5	M3	M4	M5	M6	M8	M10
3	0.34
4	0.37	0.621
5	0.4	0.666	1.4
6	0.43	0.71	1.48	2.66
8	0.49	0.798	1.63	2.91
10	0.55	0.876	1.79	3.16	5.14	10.9
12	0.61	0.954	1.94	3.41	5.49	11.5	21.2
14	0.67	1.03	2.1	3.66	5.84	12.2	22.2
16	0.73	1.11	2.25	3.91	5.29	12.8	23.2
18	0.79	1.19	2.41	4.16	5.64	13.5	24.2
20	0.85	1.27	2.56	4.41	6	14.2	25.2
22	0.91	1.35	2.72	4.66	6.35	14.8	26.2
25	1	1.47	2.94	5.03	6.87	15.8	27.7
28	1.09	1.59	3.24	5.4	7.4	16.8	29.2
30	1.18	1.71	3.44	5.7	7.75	17.5	30.2
35			3.94	6.5	8.6	19.1	32.7
40			4.44	7.3	9.5	20.7	35.2
45				8	10.4	22.3	37.7
50				8.7	11.3	23.9	41.2
55						25.4	43.7
60						27	46.2

Applications

DIN 7985 Pan Phillips Screws are commonly used in:

• Electrical control panels
• Industrial machinery
• Sheet metal fabrication
• Telecom cabinets
• Server racks
• Electronics manufacturing
• Consumer appliances
• Medical equipment
• Instrumentation
• HVAC systems
• Automotive interiors
• Battery packs
• General engineering assemblies
• OEM manufacturing

Advantages

• Phillips recess provides quick installation using standard screwdrivers.
• Rounded pan head offers an attractive finished appearance.
• Large bearing surface distributes clamping force effectively.
• Fully threaded design provides maximum thread engagement.
• Suitable for metal-to-metal fastening.
• Available in multiple materials and strength grades.
• Compatible with automated assembly equipment.
• Widely available and internationally recognized.
• Suitable for indoor and outdoor applications depending on material selection.
• Excellent dimensional consistency.

Frequently Asked Questions

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Related Products

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• Fastener Nomenclature
• ISO Metric Thread System
• DIN & ISO Standards Guide
• Standard Dimensional Tolerances

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