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Hex Socket Flat Head Cap Screws（Strength Class (Stainless Steel)：A2-50）

This is a category page for hexagon socket head cap screws. For MISUMI, you can select from M2 to 20, length of 3 to 150 mm, 4 types of material and 13 types of surface processing.
In addition to the JIS standard, we handle former JIS, SSS, ISO standards, etc.

[What is a countersunk bolt?]
It has a countersunk head, which allows the fastening surface to be made flush by opening a counter bore on the mating material and fastening. Therefore, it is often used in places such as hinges where you do not want bolt heads to protrude.
It is similar in shape to a small crosshead countersunk screw, but since a hex wrench is used for the countersunk bolt, it can be used in a place where it needs to be tightened more securely.

Configure

Specification/Dimensions

Nominal of Thread (M)
2

2.5

3

4

5

6

8

10

12

16

20
Clear

Length L (mm)
3

4

5

6

7

8

10

12

14

15

16

18

20

22

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

100

110

120

130

140

150
Clear

Detailed Shape
- Flat Head
- Low Flat Head
Larger Image

Clear

Material
- Steel
- Stainless Steel
- Aluminum
- Titanium
- Brass
Clear

SurfaceTreatment
- Not Provided
- Black Oxide
- Electroless Nickel Plating
- Trivalent Chromate
- Bright Chrome Plating
- Chromate Plating
- Nickel Plating
- Chrome Plating
- Dacrotizing
- Copper Plating
- Tin Plating
- Black Paint
Clear

Pitch(mm)
0.4

0.45

0.5

0.7

0.8

1

1.25

1.5

1.75

2

2.5
Clear

Thread Type
- Metric, Coarse
- Metric, Fine
Clear

Screw Type
- Fully Threaded
- Semi-Threaded
Clear

Sales Unit
Low Quantity (Available beginning with 1 pc.)

Box, Pkg.
Clear

Application
- Standard
- High Strength
- For Vacuum Equipment
- For Clean Environment
Clear

Strength Class (Stainless Steel)
A2-50
Clear

Additional Shape
- Standard
Larger Image

Clear

Strength Class (Steel)
10.9
Clear

Cleaning Method
- Degreasing
- Precision Cleaning
- Electrolytic Polishing + Precision Cleaning
Clear

Brand	(3) (0) ANSCO (0) BUMAX (0) ESCO (0) KYOKUTO MFG (0) MARUEMU WORKS (0) NISSAN SCREW (0) RS Pro (0) SPS/UNBRAKO (0) SUNCO (0) TOKOSHA K (0) TRUSCO (0)
Filter By	All Sale Items
CAD	2D 3D
Days to Ship	All Same day 1 Day(s) or Less 3 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less Others

3 items

Sort By

: 30; 60; 90

Compare

Until 31/03/2025

Flat Head Cap Screws (Pack)【1-100 Pieces Per Package】

MISUMI

Hexagon socket cap screws - Flat head stainless
• [Material] 304 stainless steel or equivalent
• [Strength class] A2-50 equivalent

From: ฿ 46.87
Special Price
Days to Ship: Same day

Same day

Compare

[Clean & Pack] Socket Flat Head Cap Screw - Stainless Steel, Single Item

MISUMI

Three types of cleaning methods are available: degreasing, precision cleaning, and electrolytic polishing + precision cleaning. They can be ordered from one piece with the standard part number.
This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.

■Part Number for Clean & Pack Products

·Degreasing (Anti-rust single packing)	: Part Number SL-□□
·Precision cleaning (Degassing double packing)	: Part Number SH-□□
·Electrolytic polishing + precision cleaning (Degassing double packing)	: Part Number SHD-□□

Product Part Number	Cleaning Method	Packaging Type	Effects Compared to Uncleaned Product	Environment (Standard)	Process
SL-□□	Degreasing	Anti-rust packing	Oil removal	General environment	Regular assembly process
					Post battery assembly process
SH-□□	Precision cleaning	Degassing double packing	Oil removal Dust removal	Clean environment (Class 10 to 1,000)	Battery assembly process
					LCD-related post assembly process
					In-vehicle camera assembly process
SHD-□□	Electrolytic polishing + precision cleaning	Degassing double packing	Oil removal Dust removal Outgas reduction	Vacuum environment Clean environment (Class 10 to 1,000)	Pre-semiconductor process
					Liquid crystal deposition process
					Pre-OLED process

■Notes
Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
Please be careful about the application location and storage environment.

From: ฿ 111.96
Days to Ship: 7 Day(s)

7 Day(s)

Compare

[Clean & Pack]Hex Socket Flat Head Cap Screw - Stainless Steel, Small Box [20 to 2,000 pcs.]【20-2,000 Pieces Per Package】

MISUMI

■Part Number for Clean & Pack Products

·Degreasing (Anti-rust single packing)	: Part Number SL-□□
·Precision cleaning (Degassing double packing)	: Part Number SH-□□
·Electrolytic polishing + precision cleaning (Degassing double packing)	: Part Number SHD-□□

Product Part Number	Cleaning Method	Packaging Type	Effects Compared to Uncleaned Product	Environment (Standard)	Process
SL-□□	Degreasing	Anti-rust packing	Oil removal	General environment	Regular assembly process
					Post battery assembly process
SH-□□	Precision cleaning	Degassing double packing	Oil removal Dust removal	Clean environment (Class 10 to 1,000)	Battery assembly process
					LCD-related post assembly process
					In-vehicle camera assembly process
SHD-□□	Electrolytic polishing + precision cleaning	Degassing double packing	Oil removal Dust removal Outgas reduction	Vacuum environment Clean environment (Class 10 to 1,000)	Pre-semiconductor process
					Liquid crystal deposition process
					Pre-OLED process

Sizes are M2 to M10. The products can be shipped from 1 piece when requesting a small quantity.

From: ฿ 1,341.88
Days to Ship: 7 Day(s)

7 Day(s)


Brand
Product Series
CAD
From
Days to Ship
Nominal of Thread (M)
Length L (mm)
Detailed Shape
Material
SurfaceTreatment
Pitch(mm)
Thread Type
Screw Type
Sales Unit
Application
Strength Class (Stainless Steel)
Additional Shape
Strength Class (Steel)
Cleaning Method

	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
Brand	MISUMI	MISUMI	MISUMI
Product Series	Flat Head Cap Screws (Pack)【1-100 Pieces Per Package】	[Clean & Pack] Socket Flat Head Cap Screw - Stainless Steel, Single Item	[Clean & Pack]Hex Socket Flat Head Cap Screw - Stainless Steel, Small Box [20 to 2,000 pcs.]【20-2,000 Pieces Per Package】
CAD	2D / 3D		2D / 3D
From	฿ 46.87 Special Price On Sale Until 31/03/2025	฿ 111.96	฿ 1,341.88
Days to Ship	Same day	7 Day(s)	7 Day(s)
Nominal of Thread (M)	2 ～ 10	2 ～ 10	2 ～ 10
Length L (mm)	4 ～ 30	4 ～ 30	4 ～ 30
Detailed Shape	Flat Head	Flat Head	Flat Head
Material	Stainless Steel	-	Aluminum
SurfaceTreatment	Not Provided	Not Provided	Not Provided
Pitch(mm)	0.4 ～ 1.5	0.4 ～ 1.5	0.4 ～ 1.5
Thread Type	Metric, Coarse	Metric, Coarse	Metric, Coarse
Screw Type	Fully Threaded	Fully Threaded	Fully Threaded
Sales Unit	Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg.	Low Quantity (Available beginning with 1 pc.)	Box, Pkg.
Application	Standard	Standard / For Vacuum Equipment / For Clean Environment	Standard / For Vacuum Equipment / For Clean Environment
Strength Class (Stainless Steel)	A2-50	A2-50	A2-50
Additional Shape	Standard	Standard	Standard
Strength Class (Steel)	-	-	-
Cleaning Method	-	Precision Cleaning / Electrolytic Polishing + Precision Cleaning / Degreasing	Precision Cleaning / Electrolytic Polishing + Precision Cleaning / Degreasing