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Thumbscrews（Surface Treatment：Black Nickel Plating）
Bolts with vertical and diagonal grooves (knurled) in the knob of the head. They can be fastened by hand without using a tool.
Some heads have cross holes or slots.
| Days to Ship |
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Brass Knurled Knob (Slotted) NB-AB/AB-NB/AB-SR/AB-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)Standard Price: MYR 10.97- Days to Ship: 10 Day(s) or more -
Brass Knurled Knob (Flanged) NB-CB/CB-NB/CB-SR/CB-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)Standard Price: MYR 10.34- Days to Ship: 10 Day(s) or more -
Brass Knurled Knob (Stepped) NB-DB/DB-NB/DB-SR/DB-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)Standard Price: MYR 12.95- Days to Ship: 10 Day(s) or more -
Brass Knurled Knob (Slotted / Flanged / Narrow Body) NB-EB/EB-NB/EB-SR/EB-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)Standard Price: MYR 14.83- Days to Ship: 10 Day(s) or more -
Brass Knurled Knob (Slotted / Stepped / Narrow Body) NB-FB/FB-NB/FB-SR/FB-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)Standard Price: MYR 11.42- Days to Ship: 10 Day(s) or more -
Brass Knurled Knob (Low Head) NB-GB/GB-NB/GB-SR/GB-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)Standard Price: MYR 13.84 Days to Ship: 10 Day(s) or more
| Brand |
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| Product Series |
| Days to Ship |
| Nominal of Thread (M) |
| Length L(mm) |
| Pitch(mm) |
| Detailed Shape |
| Mounting Hole Shape |
| Material |
| Surface Treatment |
| Thread Type |
| Tip Shape |
| Additional Shape |
| Sales Unit |
| Application |
| Plastic Material |
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| Brand | HIROSUGI-KEIKI | HIROSUGI-KEIKI | HIROSUGI-KEIKI | HIROSUGI-KEIKI | HIROSUGI-KEIKI | HIROSUGI-KEIKI |
| Product Series | Brass Knurled Knob (Slotted / Flanged / Narrow Body) NB-EB/EB-NB/EB-SR/EB-R | Brass Knurled Knob (Slotted / Stepped / Narrow Body) NB-FB/FB-NB/FB-SR/FB-R | ||||
| Days to Ship | 10 Day(s) or more | 10 Day(s) or more | 10 Day(s) or more | 10 Day(s) or more | 10 Day(s) or more | 10 Day(s) or more |
| Nominal of Thread (M) | 3 ～ 4 | 3 ～ 4 | 4 | 4 | 3 ～ 4 | 4 |
| Length L(mm) | 8 ～ 25 | 8 ～ 20 | 12 ～ 20 | 20 | 12 ～ 25 | 15 |
| Pitch(mm) | - | - | - | - | - | - |
| Detailed Shape | Knurling | Knurling | Knurling | Knurling | Knurling | Knurling |
| Mounting Hole Shape | Negative | Not Provided | Not Provided | Negative | Negative | Not Provided |
| Material | Brass | Brass | Brass | Brass | Brass | Brass |
| Surface Treatment | Black Nickel Plating | Black Nickel Plating | Black Nickel Plating | Black Nickel Plating | Black Nickel Plating | Black Nickel Plating |
| Thread Type | Metric Coarse | Metric Coarse | Metric Coarse | Metric Coarse | Metric Coarse | Metric Coarse |
| Tip Shape | Flat End | Flat End | Flat End | Flat End | Flat End | Flat End |
| Additional Shape | Standard / Washer Integrated | Standard / Washer Integrated | Washer Integrated | Washer Integrated | Standard / Washer Integrated | Standard |
| Sales Unit | 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.) | Low Quantity (Available beginning with 1 pc.) |
| Application | Standard | Standard | Standard | Standard | Standard | Standard |
| Plastic Material | - | - | - | - | - | - |
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Specification/Dimensions
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Nominal of Thread (M)
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Length L(mm)
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Pitch(mm)
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Detailed Shape
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Round Flat Head -
Flat -
Wing -
Knurling -
Urea
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Mounting Hole Shape
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Negative -
Not Provided
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Material
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Surface Treatment
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Thread Type
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Tip Shape
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Flat End
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Additional Shape
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Standard -
Washer Integrated
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Sales Unit
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Application
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Plastic Material
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