Knobs
About Knobs
Knobs are machine elements which allow efficient tightening and loosening of screws.
The use of knobs increases work efficiency, since tools such as the wrenches and spanners used on screws are no longer required.
Efficient in places where screws are frequently handled, such as equipment changeover. Learn More About Knobs
| Image |  |  |  |  |  |
|---|---|---|---|---|---|
| Part Name | Stainless Steel Hand Knob | Plastic Wing Knob | Plastic Wing Knob | Plastic Wing Knob | Plastic Wing Knob |
| Part Number | KMDFS | KUWM | KUWMS | KUWF | KUWFS |
| Feature | Ergonomic, easy to grip design | Universal Design | Universal Design | Universal Design | Universal Design |
| Shape | Polygonal | Bar | Bar | Bar | Bar |
| Type | Female Screw | Male Screw | Male Screw | Female Screw | Female Screw |
| Thread Part Material | Stainless Steel | Steel | Stainless Steel | Steel | Stainless Steel |
| Thread Size | M6 ～ M12 | M4 ～ M10 | M4 ～ M10 | M4 ～ M10 | M4 ～ M10 |
| Surface | - | BKBLORSGYW | BKBLORSGYW | BKBLORSGYW | BKBLORSGYW |
| CAD | CAD | CAD | CAD | CAD | CAD |
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
| List | KMDFS-32-M6-HP KMDFS-40-M8-HP KMDFS-50-M10-HP KMDFS-50-M12-HP | KUWM-32-M4 KUWM-32-M5 KUWM-40-M6 KUWM-50-M8 KUWM-64-M10 KUWM-64-M8 | KUWMS-32-M4 KUWMS-32-M5 KUWMS-40-M6 KUWMS-50-M8 KUWMS-64-M10 KUWMS-64-M8 | KUWF-32-M4 KUWF-32-M5 KUWF-40-M6 KUWF-50-M8 KUWF-64-M10 KUWF-64-M8 | KUWFS-32-M4 KUWFS-32-M5 KUWFS-40-M6 KUWFS-50-M8 KUWFS-64-M10 KUWFS-64-M8 |
| Image |  |  |  |  |  |
|---|---|---|---|---|---|
| Part Name | Super Knob | Metal Super Knob | Metal Super Knob Dedicated Jig | Plastic Star Knob | Plastic Star Knob |
| Part Number | SK | KSKA | KSKA-W | KF | KGC |
| Feature | Low cost | Low cost | Low cost | Nylon 6 | Nylon 6 |
| Shape | Polygonal | Polygonal | Polygonal | Cross | Cross |
| Type | Hole | Hole | Hole | Male Screw | Female Screw |
| Thread Part Material | - | Aluminum Alloy | Aluminum Alloy | Steel | Brass |
| Thread Size | - | - | - | M5 ～ M12 | M5 ～ M12 |
| Surface | WHYW | - | - | BKRD | BKRD |
| CAD | CAD | CAD | CAD | CAD | CAD |
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
| List | SK-34 SK-38 SK-43 SK-53 | KSKA-32-M6 KSKA-40-M8 | KSKA-3240W-L KSKA-3240W-S | KF-25-BK KF-25-RD KF-33-BK KF-33-RD KF-40-BK KF-40-RD KF-45-BK KF-50-BK | KGC-25-BK KGC-25-RD KGC-33-BK KGC-33-RD KGC-40-BK KGC-40-RD KGC-45-BK KGC-45-RD KGC-50-BK |
| Image |  |  |  |  |  |
|---|---|---|---|---|---|
| Part Name | Star Knob | Star Knob | Hexagon Knob | Hexagon Knob | Eight Lobe Knob |
| Part Number | CK | CKT | KK | KKT | KP |
| Feature | FC200 | FC200 | FC200 | FC200 | Nylon 6 |
| Shape | Cross | Cross | Polygonal | Polygonal | Polygonal |
| Type | Hole | Female Screw | Hole | Female Screw | Male Screw |
| Thread Part Material | Cast iron | Cast iron | Cast iron | Cast iron | Steel |
| Thread Size | - | M8 ～ M12 | - | M6 ～ M16 | M6 ～ M12 |
| Surface | BK | BK | CR | CR | BK |
| CAD | CAD | CAD | CAD | CAD | CAD |
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
| List | CK-40 CK-50 CK-63 | CKT-40 CKT-50 CKT-63 | KK-32 KK-40 KK-50 KK-63 KK-80 | KKT-32 KKT-40 KKT-50 KKT-63 KKT-80 | KP-30 KP-30A KP-50 KP-65 KP-65B |
| Image |  |  |  |  |  |
|---|---|---|---|---|---|
| Part Name | Dimple Knob | Dimple Knob | Captive Dimple Knob | Dimple Knob | Dimple Knob |
| Part Number | KDM | KDMS | KDMS-SC | KDF | KDFS |
| Feature | Good Design Award | Good Design Award | Captive | Good Design Award | Good Design Award |
| Shape | Dimple | Dimple | Dimple | Dimple | Dimple |
| Type | Male Screw | Male Screw | Male Screw | Female Screw | Female Screw |
| Thread Part Material | Steel | Stainless Steel | Stainless Steel | Steel | Stainless Steel |
| Thread Size | M3 ～ M8 | M3 ～ M8 | M4 ～ M8 | M3 ～ M8 | M3 ～ M8 |
| Surface | BK | BKWH | BKWH | BK | BKWH |
| CAD | CAD | CAD | CAD | CAD | CAD |
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
| List | KDM-16-M3 KDM-16-M4 KDM-16-M5 KDM-20-M5 KDM-20-M6 KDM-25-M5 KDM-25-M6 KDM-25-M8 KDM-32-M6 KDM-32-M8 | KDMS-16-M3 KDMS-16-M4 KDMS-16-M5 KDMS-20-M5 KDMS-20-M6 KDMS-25-M5 KDMS-25-M6 KDMS-25-M8 KDMS-32-M6 KDMS-32-M8 | KDMS-16-M4-SC KDMS-20-M5-SC KDMS-25-M6-SC KDMS-32-M8-SC | KDF-16-M3 KDF-16-M4 KDF-16-M5 KDF-20-M5 KDF-20-M6 KDF-25-M6 KDF-32-M6 KDF-32-M8 | KDFS-16-M3 KDFS-16-M4 KDFS-16-M5 KDFS-20-M5 KDFS-20-M6 KDFS-25-M5 KDFS-25-M6 KDFS-32-M6 KDFS-32-M8 |
| Image |  |  |  |  |  |
|---|---|---|---|---|---|
| Part Name | Dimple Knob | Long Dimple Knobs | Long Dimple Knobs | Long Dimple Knobs | Long Dimple Knobs |
| Part Number | KRR | KLM | KLMS | KLF | KLFS |
| Feature | Good Design Award | Good Design Award | Good Design Award | Good Design Award | Good Design Award |
| Shape | Dimple | Dimple | Dimple | Dimple | Dimple |
| Type | Hole | Male Screw | Male Screw | Female Screw | Female Screw |
| Thread Part Material | Steel | Steel | Stainless Steel | Steel | Stainless Steel |
| Thread Size | ～ M5 | M5 ～ M10 | M5 ～ M8 | M5 ～ M10 | M6 ～ M10 |
| Surface | BK | BK | BK | BK | BK |
| CAD | CAD | CAD | CAD | CAD | CAD |
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
| List | KRR-40-R8 KRR-40-R8-1-M4 KRR-50-R10 KRR-50-R10-1-M5 KRR-63-R12 KRR-63-R12-1-M5 | KLM-20-M5 KLM-20-M6 KLM-25-M5 KLM-25-M6 KLM-25-M8 KLM-32-M10 KLM-32-M6 KLM-32-M8 | KLMS-20-M5 KLMS-20-M6 KLMS-25-M5 KLMS-25-M6 KLMS-32-M6 KLMS-32-M8 | KLF-20-M5 KLF-20-M6 KLF-25-M5 KLF-25-M6 KLF-25-M8 KLF-32-M10 KLF-32-M6 KLF-32-M8 | KLFS-20-M6 KLFS-25-M8 KLFS-32-M10 |
| Image |  |  |  |  |  |
|---|---|---|---|---|---|
| Part Name | Knurled Knob | Knurled Knob | Knurled Knob - Stainless Steel SUS316L Equivalent | Knurled Knob - Stainless Steel Black | Knurled Knob |
| Part Number | KNM | KNMS | KNML | KNMS-BK | KNF |
| Feature | Chrome Plating | SUS303 | Equivalent to SUS316L | Reflection Resistance Corrosion Resistance | Chrome Plating |
| Shape | Knurled | Knurled | Knurled | Knurled | Knurled |
| Type | Male Screw | Male Screw | Male Screw | Male Screw | Female Screw |
| Thread Part Material | Steel | Stainless Steel | Stainless Steel | Stainless Steel | Steel |
| Thread Size | M3 ～ M10 | M3 ～ M10 | M3 ～ M10 | M4 ～ M6 | M3 ～ M10 |
| Surface | CR | - | - | BK | CR |
| CAD | CAD | CAD | CAD | CAD | CAD |
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
| List | KNM-12-M3 KNM-16-M4 KNM-20-M5 KNM-24-M6 KNM-30-M8 KNM-36-M10 | KNMS-12-M3 KNMS-12-M4 KNMS-12-M5 KNMS-16-M4 KNMS-16-M5 KNMS-16-M6 KNMS-20-M5 KNMS-20-M6 KNMS-24-M6 KNMS-30-M8 KNMS-36-M10 | KNML-12-M3 KNML-16-M4 KNML-20-M5 KNML-24-M6 KNML-30-M8 KNML-36-M10 | KNMS-16-M4-BK KNMS-20-M5-BK KNMS-24-M6-BK | KNF-12-M3 KNF-16-M4 KNF-20-M5 KNF-24-M6 KNF-30-M8 KNF-36-M10 |
| Image |  |  |  |  |  |
|---|---|---|---|---|---|
| Part Name | Knurled Knob | Knurled Knob | Knurled Knob | Knurled Knob - Stainless Steel Black | Knurled Knob |
| Part Number | KNFS | KUM | KUMS | KUMS-BK | KUF |
| Feature | SUS303 | Flat Type | Flat Type | Reflection Resistance Corrosion Resistance | Flat Type |
| Shape | Knurled | Knurled | Knurled | Knurled | Knurled |
| Type | Female Screw | Male Screw | Male Screw | Male Screw | Female Screw |
| Thread Part Material | Stainless Steel | Steel | Stainless Steel | Stainless Steel | Steel |
| Thread Size | M3 ～ M10 | M3 ～ M10 | M3 ～ M10 | M4 ～ M6 | M3 ～ M10 |
| Surface | - | CR | - | BK | CR |
| CAD | CAD | CAD | CAD | CAD | CAD |
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
| List | KNFS-12-M3 KNFS-16-M4 KNFS-20-M5 KNFS-24-M6 KNFS-30-M8 KNFS-36-M10 | KUM-12-M3 KUM-16-M4 KUM-20-M5 KUM-24-M6 KUM-30-M8 KUM-36-M10 | KUMS-12-M3 KUMS-16-M4 KUMS-20-M5 KUMS-24-M6 KUMS-30-M8 KUMS-36-M10 | KUMS-16-M4-BK KUMS-20-M5-BK KUMS-24-M6-BK | KUF-12-M3 KUF-16-M4 KUF-20-M5 KUF-24-M6 KUF-30-M8 KUF-36-M10 |
| Image |  |  |  |  |  |
|---|---|---|---|---|---|
| Part Name | Knurled Knob | Captive Knurled Knob | Captive Knurled Knob | Captive Knurled Knob - Stainless Steel SUS316L Equivalent | Captive Knurled Knob |
| Part Number | KUFS | KNM-SC | KNMS-SC | KNML-SC | KUM-SC |
| Feature | Flat Type | Captive | Captive SUS304 | Captive SUS316L Equivalent | Captive |
| Shape | Knurled | Knurled | Knurled | Knurled | Knurled |
| Type | Female Screw | Male Screw | Male Screw | Male Screw | Male Screw |
| Thread Part Material | Stainless Steel | Steel | Stainless Steel | Stainless Steel | Steel |
| Thread Size | M3 ～ M10 | M3 ～ M10 | M3 ～ M10 | M3 ～ M10 | M3 ～ M10 |
| Surface | - | CR | - | - | CR |
| CAD | CAD | CAD | CAD | CAD | CAD |
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
| List | KUFS-12-M3 KUFS-16-M4 KUFS-20-M5 KUFS-24-M6 KUFS-30-M8 KUFS-36-M10 | KNM-12-M3-SC KNM-16-M4-SC KNM-20-M5-SC KNM-24-M6-SC KNM-30-M8-SC KNM-36-M10-SC | KNMS-12-M3-SC KNMS-16-M4-SC KNMS-20-M5-SC KNMS-24-M6-SC KNMS-30-M8-SC KNMS-36-M10-SC | KNML-12-M3-SC KNML-16-M4-SC KNML-20-M5-SC KNML-24-M6-SC KNML-30-M8-SC KNML-36-M10-SC | KUM-12-M3-SC KUM-16-M4-SC KUM-20-M5-SC KUM-24-M6-SC KUM-30-M8-SC KUM-36-M10-SC |
| Image |  |  |  |  |  |
|---|---|---|---|---|---|
| Part Name | Captive Knurled Knobs | Captive Wing Knob | Metal Knob | Plastic Ball Knob | Plastic Ball Knob |
| Part Number | KUMS-SC | KWBS-SC | EAT | PB | PC |
| Feature | Captive SUS304 | - | Aluminum | Thermosetting resin | Thermosetting resin |
| Shape | Knurled | Round | Round | Spherical | Spherical |
| Type | Male Screw | Male Screw | Hole | Female Screw | Female Screw |
| Thread Part Material | Stainless Steel | Stainless Steel | Aluminum Alloy | Plastic | Brass |
| Thread Size | M3 ～ M10 | M4 ～ M8 | - | M6 ～ M12 | M6 ～ M12 |
| Surface | CR | - | - | BKRD | BKRD |
| CAD | CAD | CAD | CAD | CAD | CAD |
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
| List | KUMS-12-M3-SC KUMS-16-M4-SC KUMS-20-M5-SC KUMS-24-M6-SC KUMS-30-M8-SC KUMS-36-M10-SC | KWBS-21-M4-SC KWBS-21-M5-SC KWBS-27-M6-SC KWBS-31-M8-SC | EAT-22 EAT-27 EAT-33 EAT-44 | PB-20-M6 PB-20-M8 PB-25-M6 PB-25-M8 PB-30-M10 PB-30-M8 PB-35-M10 PB-35-M8 PB-40-M10 PB-40-M12 | PC-20-M6 PC-25-M6 PC-25-M8 PC-30-M10 PC-30-M8 PC-35-M10 PC-35-M8 PC-40-M10 PC-40-M12 |
| Image |  |  | |||
|---|---|---|---|---|---|
| Part Name | Gum Ball Knob | Conical Grip | |||
| Part Number | KGB | KEC | |||
| Feature | Rubber | Fig-like | |||
| Shape | Spherical | Spherical | |||
| Type | Female Screw | Female Screw | |||
| Thread Part Material | Steel | Brass | |||
| Thread Size | M6 ～ M12 | M6 ～ M8 | |||
| Surface | BK | BKRD | |||
| CAD | CAD | CAD | |||
| Specifications | Specifications | Specifications | |||
| List | KGB-20-M6 KGB-25-M8 KGB-32-M10 KGB-40-M12 | KEC-6-BK KEC-8-BK KEC-8-RD |
Latest
Helpful Resources
Search by purpose
Product IntroductionCustomizationServices & Product OptionsIssue/case studiesTechnical DataUsageSelection MethodInstallation Method/MaintenanceSafety PrecautionsGlossary
Search by keyword
Improved productivity/workabilitySafety measures/precautionary measuresReduced cost/energy saving/long lifeVibration prevention/high precisionCompact/space-saving/lightweightCustomizationHigh strength/high rigidityHeat resistance/corrosion resistanceElegant functionality/designCleanroom/vacuum/non-magneticSeizing PreventionAutomation/robots/motorizationOthers
Search by industry
Machine ToolsSemiconductor Manufacturing EquipmentFood MachineryAutomotive Manufacturing ProcessMedical EquipmentFA Devices
Search by series
The Semiconductor Industry and NBKVideo LibraryHints for correctly using NBK productsSolution samplesWhat is a Screw?Description of Mechanical Components for EngineersDescription of Special Screws for Engineers3 Min Engineering TipsServices & Product OptionsTechnical Data
