Countersunk Socket Head Screw
Socket Screws

Countersunk Socket Head Screw

DIN 7991 · M3–M12 · Carbon Steel, Alloy Steel, Stainless Steel

DIN 7991 (Historical)

Material
Carbon Steel, Alloy Steel, Stainless Steel
Property Class
8.8, 10.9, 12.9, A2-70 and more
Finish
Zinc Plated, Dacromet, Blackened, Phosphate and more
Availability
In Stock

Final supply details are confirmed against your quotation.

Available with the order

Order assurance

The supplier has confirmed that the options below can be agreed for this product. The exact scope is fixed in the quotation or order.
Documents

EN 10204 3.1 material certificate

Can be included when agreed in the order.

Documents

Dimensional inspection report

Can be provided for the agreed inspection scope.

Documents

Certificate of conformity

Can be issued against the confirmed order requirements.

Documents

Chemical analysis report

Available when the material verification scope is agreed.

Packing

Bulk carton packing

Available subject to confirmed piece weight and shipping requirements.

Packing

Palletized shipment

Available when pallet size and handling requirements are confirmed.

Packing

Inner poly bags

Items can be bagged before cartoning to limit moisture and loose parts in transit.

Packing

Buyer-branded packaging

Available once artwork and the minimum batch for branded packing are agreed.

Packing

Buyer-specified labels

Available after label content and placement are approved.

Packing

Fumigation-free pallets

Plywood or pressed-wood pallets can be used where ISPM-15 marking is not wanted.

Packing

Small boxes with outer cartons

Available when the box quantity and labels are agreed.

PUBLISHED SUPPLY RANGE

Choose a specification and add quantity.

50 rows
Available options
Material
Grade
Carbon Steel
Alloy Steel
Stainless Steel
Finish
diameterlengthpitchsocketdkMOQQuantity and inquiry
M5250.83102000
M5300.83102000
M61214121000
M61614121000
M62014121000
M62514121000
M63014121000
M63514121000
M64014121000
M8161.255161000
M8201.255161000
M8251.255161000
M8301.255161000
M8351.255161000
M8401.255161000
M8451.255161000

M5 × 25 × 0.8 × 3 × 10

diameterM5
length25
pitch0.8
socket3
dk10
MOQ2000

M5 × 30 × 0.8 × 3 × 10

diameterM5
length30
pitch0.8
socket3
dk10
MOQ2000

M6 × 12 × 1 × 4 × 12

diameterM6
length12
pitch1
socket4
dk12
MOQ1000

M6 × 16 × 1 × 4 × 12

diameterM6
length16
pitch1
socket4
dk12
MOQ1000

M6 × 20 × 1 × 4 × 12

diameterM6
length20
pitch1
socket4
dk12
MOQ1000

M6 × 25 × 1 × 4 × 12

diameterM6
length25
pitch1
socket4
dk12
MOQ1000

M6 × 30 × 1 × 4 × 12

diameterM6
length30
pitch1
socket4
dk12
MOQ1000

M6 × 35 × 1 × 4 × 12

diameterM6
length35
pitch1
socket4
dk12
MOQ1000

M6 × 40 × 1 × 4 × 12

diameterM6
length40
pitch1
socket4
dk12
MOQ1000

M8 × 16 × 1.25 × 5 × 16

diameterM8
length16
pitch1.25
socket5
dk16
MOQ1000

M8 × 20 × 1.25 × 5 × 16

diameterM8
length20
pitch1.25
socket5
dk16
MOQ1000

M8 × 25 × 1.25 × 5 × 16

diameterM8
length25
pitch1.25
socket5
dk16
MOQ1000

M8 × 30 × 1.25 × 5 × 16

diameterM8
length30
pitch1.25
socket5
dk16
MOQ1000

M8 × 35 × 1.25 × 5 × 16

diameterM8
length35
pitch1.25
socket5
dk16
MOQ1000

M8 × 40 × 1.25 × 5 × 16

diameterM8
length40
pitch1.25
socket5
dk16
MOQ1000

M8 × 45 × 1.25 × 5 × 16

diameterM8
length45
pitch1.25
socket5
dk16
MOQ1000
PRODUCT OVERVIEW

Technical facts at a glance.

This hexagon socket countersunk head screw is manufactured to DIN 7991. It features a countersunk head and hexagon socket drive. Available in carbon steel, alloy steel, and stainless steel, with property classes 8.8, 10.9, 12.9, A2-70, and A4-80. Surface finishes include zinc plated, blackened, phosphate, plain, and passivated; Dacromet is also offered for M5 sizes. When requesting a quotation, specify diameter, length, material, grade, and finish.

Features

  • Conical head sits flush with the surface
  • Internal hexagon socket drive
  • No head protrusion above the joint face
  • Available in M3–M12
  • Carbon Steel, Alloy Steel and more options

Applications

  • Joints requiring a flush surface, Machine covers and panels, Mould and die assembly, Automation equipment
EXECUTION BASIS

Standards and documents.

Confirm the exact standard, edition, material and document scope in the order.

BEFORE QUOTATION

Product questions

What sizes of Countersunk Socket Head Screw do you supply?

Execution standard: DIN 7991. The confirmed specification table covers M3–M12 diameters and 6–80 lengths. Use the specification table to select the exact variant required for quotation.

Which materials, grades and finishes can I order?

Material: Carbon Steel, Alloy Steel, Stainless Steel; Property class: 8.8, 10.9, 12.9, A2-70, A4-80; Finish: Zinc Plated, Dacromet, Blackened, Phosphate, Plain, Passivated. Availability should be confirmed against the selected specification and order quantity.

What quality documents do you provide with the shipment?

EN 10204 3.1 material certificate, Dimensional inspection report, Certificate of conformity, Chemical analysis report can be provided when the exact document scope is agreed in the quotation or order.

What is the minimum order quantity, and how is it packed?

Confirmed packing options include Bulk carton packing, Palletized shipment, Inner poly bags, Buyer-branded packaging, Buyer-specified labels, Fumigation-free pallets, Small boxes with outer cartons.

Where are these countersunk socket screws typically used?

Typical applications include Joints requiring a flush surface, Machine covers and panels, Mould and die assembly, Automation equipment. Final suitability depends on the selected material, grade, finish and operating conditions.

What do you need from me to prepare a quotation?

Please provide the required standard, diameter or size, length, material, property class or grade, finish, quantity. A drawing or sample reference is useful when the requirement is non-standard.

Quote Countersunk Socket Head Screw

Add sizes, quantities, destination and any drawing or spreadsheet.