Thumbscrews（Thread Type：Metric Coarse Page 2）

Data to be displayed: 30; 45; 60

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Brass Knurled Knob (Slotted/ Flanged) NB-BB/BB-NB/BB-SR/BB-R

HIROSUGI-KEIKI

[Nominal thread (M)] 3(0.5) / 4(0.7)
[Knurled Knob]
[Material] Free-cutting brass (C3604BD), cadmium content less than 75 ppm
[Surface treatment] Micro Black (black coating over nickel base), Micro Black is only applied to the knob part
[Black nylon washer (KW)]
[Material] Nylon 6
[Color] Black
[Heat distortion temperature] 1.82 MPa...65°C
[UL Standard] UL94-HB (Materials)
Silicone rubber washer (SRW)
[Material] Silicone rubber
[Color] Translucent
[Hardness] 50°(Durometer type A), 49° (IRHD reference value)
NBR washer (RW)
[Material] NBR
[Color] Black
[Hardness] 70° (Durometer type A), 63° (IRHD reference value)

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Starting from^∗ ：	2.63 €
Min. Shipping Days ：	12 Days

*Unit price with basic configuration

Brass Knurled Knob (Flanged) NB-CC-SR / NB-CC-R

HIROSUGI-KEIKI

[Nominal thread (M)] 2.6(0.45) / 3(0.5) / 4(0.7) / 5(0.8) / 6(1.0)
[Silicone rubber washer (SRW)]
[Material] Silicone rubber
[Color] Translucent
[Hardness] 50°(Durometer type A), 49° (IRHD reference value)
[NBR washer (RW)]
[Material] NBR
[Color] Black
[Hardness] 70° (Durometer type A), 63° (IRHD reference value)

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Starting from^∗ ：	2.16 €
Min. Shipping Days ：	13 Days

*Unit price with basic configuration

Brass Knurled Knob (Flanged) NB-CB / CB-NB / CB-SR / CB-R

HIROSUGI-KEIKI

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Starting from^∗ ：	2.21 €
Min. Shipping Days ：	13 Days

*Unit price with basic configuration

Brass Knurled Knob (Stepped) NB-D-SR / NB-D-R

HIROSUGI-KEIKI

[Nominal thread (M)] 3(0.5) / 4(0.7) / 5(0.8) / 6(1.0)
[Silicone rubber washer (SRW)]
[Material] Silicone rubber
[Color] Translucent
[Hardness] 50° (Durometer type A), 49° (IRHD reference value)
[NBR washer (RW)]
[Material] NBR
[Color] Black
[Hardness] 70° (Durometer type A), 63° (IRHD reference value)

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Starting from^∗ ：	1.14 €
Min. Shipping Days ：	13 Days

*Unit price with basic configuration

Brass Knurled Knob (Stepped) NB-DC-SR / NB-DC-R

HIROSUGI-KEIKI

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Starting from^∗ ：	2.16 €
Min. Shipping Days ：	13 Days

*Unit price with basic configuration

Brass Knurled Knob (Stepped) NB-DB / DB-NB / DB-SR / DB-R

HIROSUGI-KEIKI

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Starting from^∗ ：	2.21 €
Min. Shipping Days ：	13 Days

*Unit price with basic configuration

Brass Knurled Knob (Slotted / Flanged / Narrow Body) NB-E-SR/NB-E-R

HIROSUGI-KEIKI

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Starting from^∗ ：	1.59 €
Min. Shipping Days ：	13 Days

*Unit price with basic configuration

Brass Knurled Knob (Slotted / Flanged / Narrow Body) NB-EC-SR/NB-EC-R

HIROSUGI-KEIKI

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Starting from^∗ ：	2.75 €
Min. Shipping Days ：	13 Days

*Unit price with basic configuration

Brass Knurled Knob (Slotted / Flanged / Narrow Body) NB-EB/EB-NB/EB-SR/EB-R

HIROSUGI-KEIKI

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Starting from^∗ ：	2.66 €
Min. Shipping Days ：	13 Days

*Unit price with basic configuration

Brass Knurled Knob (Slotted / Stepped / Narrow Body) NB-FC-SR/NB-FC-R

HIROSUGI-KEIKI

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Starting from^∗ ：	2.66 €
Min. Shipping Days ：	13 Days

*Unit price with basic configuration


Brand
Product Series
CAD
Starting from^∗
Min. Shipping Days
Detailed Shape
Screw Nominal (M)
Length L (mm)(mm)
Material
Surface Treatment
Mounting Hole Shape
Pitch(mm)
Tip Shape
Additional Shape
Strength Class (Steel)
Thread Type
Sales Unit
Application
Plastic Material

	Select to compare	Select to compare	Select to compare	Select to compare	Select to compare	Select to compare	Select to compare	Select to compare	Select to compare	Select to compare
Brand	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI
Product Series	Brass Knurled Knob (Slotted/ Flanged) NB-BB/BB-NB/BB-SR/BB-R	Brass Knurled Knob (Flanged) NB-CC-SR / NB-CC-R	Brass Knurled Knob (Flanged) NB-CB / CB-NB / CB-SR / CB-R	Brass Knurled Knob (Stepped) NB-D-SR / NB-D-R	Brass Knurled Knob (Stepped) NB-DC-SR / NB-DC-R	Brass Knurled Knob (Stepped) NB-DB / DB-NB / DB-SR / DB-R	Brass Knurled Knob (Slotted / Flanged / Narrow Body) NB-E-SR/NB-E-R	Brass Knurled Knob (Slotted / Flanged / Narrow Body) NB-EC-SR/NB-EC-R	Brass Knurled Knob (Slotted / Flanged / Narrow Body) NB-EB/EB-NB/EB-SR/EB-R	Brass Knurled Knob (Slotted / Stepped / Narrow Body) NB-FC-SR/NB-FC-R
CAD
Starting from^∗	2.63 € *Unit price with basic configuration	2.16 € *Unit price with basic configuration	2.21 € *Unit price with basic configuration	1.14 € *Unit price with basic configuration	2.16 € *Unit price with basic configuration	2.21 € *Unit price with basic configuration	1.59 € *Unit price with basic configuration	2.75 € *Unit price with basic configuration	2.66 € *Unit price with basic configuration	2.66 € *Unit price with basic configuration
Min. Shipping Days	12 Days	13 Days	13 Days	13 Days	13 Days	13 Days	13 Days	13 Days	13 Days	13 Days
Detailed Shape	Knurling	Knurling	Knurling	Knurling	Knurling	Knurling	Knurling	Knurling	Knurling	Knurling
Screw Nominal (M)	3 ～ 4	2.6 ～ 6	3 ～ 4	3 ～ 6	3 ～ 6	3 ～ 4	3 ～ 6	3 ～ 6	3 ～ 4	3 ～ 6
Length L (mm)(mm)	6 ～ 30	4 ～ 35	6 ～ 30	6 ～ 35	6 ～ 35	6 ～ 25	10 ～ 50	10 ～ 50	10 ～ 35	10 ～ 50
Material	Brass	Brass	Brass	Brass	Brass	Brass	Brass	Brass	Brass	Brass
Surface Treatment	Chromate Plating / Black Nickel Plating	Chromate Plating / Chrome Plating	Chromate Plating / Black Nickel Plating	Chromate Plating / Nickel Plating	Chromate Plating	Black Nickel Plating	Nickel Plating	Chromate Plating	Black Nickel Plating	Chrome Plating
Mounting Hole Shape	Negative	Negative / Not Provided	Negative / Not Provided	Negative / Not Provided	Negative / Not Provided	Not Provided	Negative	Negative	Negative	Negative
Pitch(mm)	0.45 ～ 1	0.45 ～ 1	0.5 ～ 1	0.45 ～ 0.8	0.5	-	-	-	-	-
Tip Shape	Flat End	Flat End	Flat End	Flat End	Flat End	Flat End	Flat End	Flat End	Flat End	Flat End
Additional Shape	Standard / Washer Integrated	Standard / Washer Integrated	Standard / Washer Integrated	Standard / Washer Integrated	Standard / Washer Integrated	Standard / Washer Integrated	Washer Integrated	Washer Integrated	Standard / Washer Integrated	Washer Integrated
Strength Class (Steel)	-	-	-	-	-	-	-	-	-	-
Thread Type	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse
Sales Unit	Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg.	Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg.	Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg.	Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg.	Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg.	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)
Application	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard
Plastic Material	-	-	-	-	-	-	-	-	-	-

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Detailed Shape
- Round Flat Head
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Screw Nominal (M)
2.5

2.6

3

4

5

6

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12
Drawing

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Length L (mm)(mm)
3

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5

6

6.5

7

8

10

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[6-50/1mm Unit(s)]
Drawing

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Material
Brass

Resin

Stainless Steel

Steel
Clear

Surface Treatment
- Not Provided
- Electroless Nickel Plating
- Trivalent Chromate
- Bright Chrome Plating
- Chromate Plating
- Nickel Plating
- Black Nickel Plating
- Chrome Plating
- Buffed Surface
- Barrel, Passivated
- Black Painted
Clear