Small and Low Head Cap Screws

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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
KBBS3-5
KBBS3-6
KBBS3-8
KBBS3-10
KBBS4-6
KBBS4-8
KBBS4-10
KBBS4-12
KBBS4-16
KBBS4-20
KBBS4-25
KBBS5-6
KBBS5-8
KBBS5-10
KBBS5-12
KBBS5-16
KBBS5-20
KBBS5-25
KBBS6-8
KBBS6-10
KBBS6-12
KBBS6-16
KBBS6-20
KBBS6-25
KBBS8-10
KBBS8-12
KBBS8-16
KBBS8-20
KBBS8-25
KBBS8-30
KBBS10-16
KBBS10-20
KBBS10-25
KBBS10-30
KBBS10-35
KBBS12-20
KBBS12-25
KBBS12-30

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)
5.05 €	1	Available	Same day Stock	10	3	5	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	0.5	-	A2-50
5.05 €	1	Available	Same day Stock	10	3	6	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	0.5	-	A2-50
5.05 €	1	Available	Same day Stock	10	3	8	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	0.5	-	A2-50
5.05 €	1	Available	Same day Stock	10	3	10	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	0.5	-	A2-50
2.93 €	1	Available	Same day Stock	10	4	6	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	0.7	-	A2-50
2.93 €	1	Available	Same day Stock	10	4	8	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	0.7	-	A2-50
2.93 €	1	Available	Same day Stock	10	4	10	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	0.7	-	A2-50
2.93 €	1	Available	Same day Stock	10	4	12	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	0.7	-	A2-50
2.93 €	1	Available	Same day Stock	10	4	16	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	0.7	-	A2-50
2.93 €	1	Available	5 Days	10	4	20	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	0.7	-	A2-50
1.80 €	1	Available	5 Days	-	4	25	[Aluminum] EN AW-5056 Equiv.	Not Provided	0.7	-	A2-50
1.96 €	1	Available	5 Days	-	5	6	[Aluminum] EN AW-5056 Equiv.	Not Provided	0.8	-	A2-50
3.19 €	1	Available	5 Days	10	5	8	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	0.8	-	A2-50
3.19 €	1	Available	5 Days	10	5	10	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	0.8	-	A2-50
3.19 €	1	Available	Same day Stock	10	5	12	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	0.8	-	A2-50
3.19 €	1	Available	Same day Stock	10	5	16	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	0.8	-	A2-50
3.19 €	1	Available	5 Days	10	5	20	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	0.8	-	A2-50
2.62 €	1	Available	5 Days	-	5	25	[Aluminum] EN AW-5056 Equiv.	Not Provided	0.8	-	A2-50
3.73 €	1	Available	5 Days	10	6	8	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1	-	A2-50
3.73 €	1	Available	5 Days	10	6	10	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1	-	A2-50
3.73 €	1	Available	5 Days	10	6	12	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1	-	A2-50
3.73 €	1	Available	Same day Stock	10	6	16	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1	-	A2-50
3.73 €	1	Available	Same day Stock	10	6	20	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1	-	A2-50
4.25 €	1	Available	5 Days	10	6	25	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1	-	A2-50
4.78 €	1	Available	5 Days	10	8	10	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1.25	-	A2-50
4.78 €	1	Available	5 Days	10	8	12	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1.25	-	A2-50
4.78 €	1	Available	5 Days	10	8	16	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1.25	-	A2-50
5.05 €	1	Available	Same day Stock	10	8	20	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1.25	-	A2-50
5.05 €	1	Available	5 Days	10	8	25	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1.25	-	A2-50
5.05 €	1	Available	5 Days	10	8	30	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1.25	-	A2-50
6.78 €	1	Available	5 Days	10	10	16	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1.5	-	A2-50
6.78 €	1	Available	5 Days	10	10	20	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1.5	-	A2-50
6.78 €	1	Available	5 Days	10	10	25	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1.5	-	A2-50
6.78 €	1	Available	5 Days	10	10	30	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1.5	-	A2-50
6.78 €	1	Available	5 Days	10	10	35	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1.5	-	A2-50
7.97 €	1	Available	5 Days	10	12	20	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1.75	-	A2-50
7.97 €	1	Available	5 Days	10	12	25	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1.75	-	A2-50
7.97 €	1	Available	5 Days	10	12	30	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	1.75	-	A2-50

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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

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Basic Attributes

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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Type
- CBBTB
- CBBTN
- CBBTS
- KBB
- KBBS
- SBB
- SBBSS
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Strength Class (Stainless Steel)
A2-50

A2-70

Tensile strength 400N/mm2
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