Product Features
- NSK WBK lock nut (light load) - thread M12×1
- Anti-loosening brass pad + set screw; reference tightening torque 630 N·cm
- Support units ship with a lock nut - this is a separately sold spare / replacement item
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Product Overview
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Support Units & Accessories/Ball Screw
WBK12L-01
Product Description
WBK12L-01 is an NSK lock nut for WBK-series ball screw support units (light load, -01 series): thread M12×1, outer diameter 22 mm, with an anti-loosening brass pad + set screw design and a reference tightening torque of 630 N·cm. Support units ship with a lock nut included; this item is sold separately as a spare / replacement. Brass pad and set screw deform when tightened and are not reusable - prepare a new lock nut set when reassembling.
Other sizes
WBK04L-01, WBK06L-01, WBK08L-01, WBK10L-01, WBK15L-01, WBK17L-01, WBK20L-01, WBK25L-01
Matching support units
WBK12-01A, WBK12-01B, WBK12-01C, WBK12-11, WBK12-11C
Complete-Set Selection
We recommend quoting support units and lock nuts together with your ball screw: include the screw part number (or shaft diameter) in your inquiry and Nahshon will match fixed- and support-side units and lock nuts per the official NSK shaft-end tables (E3162 B27–B30) — one quotation, one complete delivery.
Product Specifications
| Specification | Unit | WBK12L-01 |
|---|---|---|
| Series | - | WBK lock nuts (light load, -01) |
| Thread specification G | - | M12×1 |
| Outer diameter D | mm | 22 |
| Set screw | - | M4 (with brass pad) |
| Tightening torque (reference) | N·cm | 630 |
| Anti-loosening design | - | Brass pad + set screw |
| Matching shaft end | - | WBK12-series support unit shaft ends |
| Dimension table | - | NSK CAT. No. E3162 B397 (attached PDF) |
Related Files
- NSK E3162 鎖緊螺帽（B397–B398）Download
FAQ
How do I choose between precision grades C3, C5 and C7?
For measurement and machining equipment that need high positioning accuracy, choose the ground-finish C3/C5 grades; for general material handling and automation mechanisms, the rolled-finish C7 grade is sufficient and offers a cost and lead-time advantage.
Can the shaft ends be custom-machined?
Yes. Nahshon offers custom shaft-end machining for NSK ball screws, completing shaft-end turning and heat treatment to your drawings, saving you the in-house machining step.
How do I confirm pricing and lead time for WBK12L-01?
Nahshon is the NSK distributor in Taiwan. Add WBK12L-01 to your inquiry list along with your stroke, load and operating conditions, and we'll confirm the specification, quote and lead time.
Series Models
Support Units & Accessories・WBK lock nuts (light load, -01)
WBK10-11WBK10-11CWBK10L-01WBK10S-01WBK10S-01CWBK12-01AWBK12-01BWBK12-01CWBK12-11WBK12-11CWBK12L-01（This page）WBK12S-01WBK12S-01BWBK12S-01CWBK12SF-01WBK12SF-01BWBK15-01AWBK15-01BWBK15-01CWBK15-11WBK15-11C
View All Support Units & Accessories Models →