Small and Low Head Cap Screws (KBB4-6)

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MISUMI

Product Details:

Manufacturer part number: KBB4-6

Brand: MISUMI

Price: 2.52 €

Delivery time: Same day

Technical Data:

Screw Nominal (M): 4

Length L (mm): 6

Material: [Steel] EN 1.7220 Equiv.

Surface Treatment: Black Oxide

Pitch: 0.7 mm

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KBB4-6

Drawing / Specifications
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Part Numbers
Catalog

SBB/SBBSS
KBB/KBBS
Standard / Low Head

CBBTB/CBBTN/CBBTS

Extra Low Head

TYPE	Standard		Low Head		Extra Low Head
TYPE	SBB	SBBSS	KBB	KBBS	CBBTB	CBBTN	CBBTS
Material	EN 1.7220 Equiv.	EN 1.4567 Equiv.	EN 1.7220 Equiv.	EN 1.4567 Equiv.	EN 1.7220 Equiv.		EN 1.4567 Equiv.
Surface Treatment	Black Oxide	—	Black Oxide	—	Nickel Plating (Black)	Nickel Plating (White)	—
Hardness	22 to 32HRC	—	22 to 32HRC	—	22 to 32HRC		—
Strength Class	8.8	A2-70	8.8	A2-50	Threaded Section 10.9, Head 5.8		Tensile Strength 400 N/mm²

Specification Table

Part Number

KBBS6−20

Part Number			SBB	SBBSS	KBB	KBBS	CBBTB CBBTN	CBBTS
Type	M	L	SBB	SBBSS	KBB	KBBS	CBBTB CBBTN	CBBTS
Small Head / Standard SBB EN 1.7220 Equiv. Black Oxide SBBSS Stainless Steel Small Head / Low Head KBB EN 1.7220 Equiv. Black Oxide KBBS Stainless Steel Small Head / Extra Low Head CBBTB EN 1.7220 Equiv. Nickel Plating (Black) CBBTN EN 1.7220 Equiv. Nickel Plating (White) CBBTS Stainless Steel	2-	3	N/A	N/A	N/A	N/A
		4	N/A	N/A	N/A	N/A
		5	N/A	N/A	N/A	N/A
		6	N/A	N/A	N/A	N/A
	2.5-	3	N/A	N/A	N/A	N/A
		4	N/A	N/A	N/A	N/A
		5	N/A	N/A	N/A	N/A
		6	N/A	N/A	N/A	N/A
	3-	4	N/A	N/A	N/A	N/A
		5
		6
		8
		10
	4-	5	N/A	N/A	N/A	N/A
		6
		8
		10
		12
		16					N/A	N/A
		20					N/A	N/A
		25					N/A	N/A
	5-	6
		8
		10
		12
		16
		20					N/A	N/A
		25					N/A	N/A
	6-	6	N/A	N/A	N/A	N/A
		8
		10
		12
		16
		20
		25					N/A	N/A
	8-	10
		12
		16
		20
		25					N/A	N/A
		30					N/A	N/A
	10-	16					N/A	N/A
		20					N/A	N/A
		25					N/A	N/A
		30					N/A	N/A
		35					N/A	N/A
	12-	20					N/A	N/A
		25					N/A	N/A
		30					N/A	N/A

[Small Head Cap Screw Dimensions]

Head Dimensions	Head Diameter A	Standard Type		Low Head		Extra Low Head
		SBB SBBSS		KBB KBBS		CBBT□
		Height	Hex Socket	Height	Hex Socket	Height	(e)	Hex Socket
M × P		E	B × (t)	E	B × (t)	E	max.	B × (t)
M2 × 0.4	3	—	—	—	—	1.1	1.2	1.3 × 1.2
M2.5 × 0.45	3.8	—	—	—	—	1.3	1.5	1.3 × 1.5
M3 × 0.5	4.5	3	2.5 × 1.5	2	2 × 1.5	1.5	1.6	1.5 × 2
M3 × 0.7	5.5	4	3 × 2	2.8	2.5 × 2		1.6	2 × 2.5
M5 × 0.8	7	5	4 × 2.5	3.5	3 × 2.5		2	3 × 3
M6 × 1.0	8.5	6	5 × 3	4	4 × 3		2.5	3 × 4
M8 × 1.25	10	8	6 × 4	5	5 × 4		2.5	4 × 5
M10 × 1.5	13	10	8 × 5	6	6 × 4.5		3	—
M12 × 1.75	16	12	10 × 6	7	8 × 5	—	—	—

■Recommended Tightening Torque (Reference)

Type	Standard Type		Low Head		Extra Low Head
Material	EN 1.7220 Equiv.	EN 1.4567 Equiv.	EN 1.7220 Equiv.	EN 1.4567 Equiv.	EN 1.7220 Equiv.	EN 1.4567 Equiv.
M2	—	—	—	—	0.25	0.25
M2.5	—	—	—	—	0.82	0.42
M3	1.0	1.0	0.8	0.5	0.9	0.8
M4	2.3	2.3	1.6	1.0	1.8	1.6
M5	4.6	4.6	3.2	2.0	3.2	3.0
M6	7.8	7.8	6.4	4.0	5.2	5.0
M8	19.0	19.0	9.6	5.6	9.0	8.6
M10	37.0	37.0	28.0	16.8	—
M12	65.0	65.0	40.0	24.0	—

The recommended tightening torques are the reference values; the optimum tightening torques vary depending on the operating environment.

Part Number:

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Part Number
KBB4-6

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Screw Nominal (M)	Length L (mm)	Material	Surface Treatment	Pitch (mm)	Strength Class (Steel)	Strength Class (Stainless Steel)
	2.52 €	1	Available	Same day Stock	10	4	6	[Steel] EN 1.7220 Equiv.	Black Oxide	0.7	8.8	-

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Basic information

Thread Type	Metric Coarse	Sales Unit	Low Quantity (Available beginning with 1 pc.)	Application	Standard
Screw Type	Fully Threaded

This page is Small and Low Head Cap Screws, part number KBB4-6.
You can find the detail information about specifications and dimensions on part number KBB4-6.

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Basic Attributes

Strength Class (Stainless Steel)
A2-50

A2-70

Tensile strength 400N/mm2
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Type
- CBBTB
- CBBTN
- CBBTS
- KBB
- KBBS
- SBB
- SBBSS
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Screw Nominal (M)
2

2.5

3

4

5

6

8

10

12
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Length L (mm)
3

4

5

6

8

10

12

16

20

25

30

35
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Material
- Steel
  - EN 1.7220 Equiv.
- Stainless Steel
  - EN 1.4301 Equiv.
- Aluminum
  - EN AW-5056 Equiv.
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Surface Treatment
- Not Provided
- Black Oxide
- General Nickel Plating
- Black Nickel Plating
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Pitch(mm)
0.4

0.45

0.5

0.7

0.8

1

1.25

1.5

1.75
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Strength Class (Steel)
8.8

10.9
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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Variation of this product

Part Number
CBBTB2-6
CBBTB2.5-3
CBBTB2.5-4
KBB4-8
KBB5-10
KBB5-12

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Screw Nominal (M)	Length L (mm)	Material	Surface Treatment	Pitch (mm)	Strength Class (Steel)	Strength Class (Stainless Steel)
2.29 €	1	Available	5 Days	-	2	6	[Steel] EN 1.7220 Equiv.	Black Nickel Plating	0.4	10.9	-
2.37 €	1	Available	5 Days	-	2.5	3	[Steel] EN 1.7220 Equiv.	Black Nickel Plating	0.45	10.9	-
2.37 €	1	Available	5 Days	-	2.5	4	[Steel] EN 1.7220 Equiv.	Black Nickel Plating	0.45	10.9	-
2.52 €	1	Available	Same day Stock	10	4	8	[Steel] EN 1.7220 Equiv.	Black Oxide	0.7	8.8	-
2.66 €	1	Available	5 Days	10	5	10	[Steel] EN 1.7220 Equiv.	Black Oxide	0.8	8.8	-
2.66 €	1	Available	Same day Stock	10	5	12	[Steel] EN 1.7220 Equiv.	Black Oxide	0.8	8.8	-