Linear Actuator Nut Wrench in Q235-B, Octagon Cut, Three Bore Groups, Quenched and Tempered
Q235-B linear actuator nut wrench, 90 x 87 mm octagon cut outline, 8 mm thick, three precision bore groups at 26/22/21/16/14 mm with M2.5 and M1.6 patterns, quenched and tempered with chrome plated bead blast finish, 0.18 kg. Quote in 24 hours.

General Industrial Components
A hardened installation wrench for linear actuator nuts: octagon cut Q235-B plate, 8 mm thick, with three bore groups that clock onto the actuator features, chrome plated over a bead blast for workshop durability.
Or email drawings to kgl@kglmfc.com
Key Specifications
| Parameter | KGL Capability |
|---|---|
| Material | Q235-B structural carbon steel |
| Outline | 90 x 87 mm, octagon cut, indexed on 72/45/15 mm divisions |
| Thickness | 8 mm |
| Bores | 26 and 22 mm through; 21 and 16 mm through; 14 mm x 5 mm deep; 6.5 mm through |
| Threads | 4x M2.5-6H and 4x M1.6-6H, full through |
| Small holes | 2x 2.9 mm and 3x 1.4 mm through; 2x 3.0 mm; 10x 2.5 mm and M3 through |
| General tolerance | ISO 2768-m per drawing |
| Weight | 0.18 kg |
| Heat treatment | Quenched and tempered |
| Finish | Bead blasted, chrome plated |
| Process | CNC milling of octagon outline, drilling and tapping, deburring, bead blast, chrome plating |
| Inspection | Caliper and micrometer on bores and thickness, thread plug gauges, Rockwell hardness test |
| Tolerance | ±0.005 mm standard on metals, engineering plastics, and carbon fiber composite |
| Certifications | ISO 9001:2015, ISO 13485:2016, AS9100D |
| Capacity | 100+ CNC machines including 11 five-axis centers |
| MOQ | No MOQ; 1-piece prototypes supported |
| Quote | Within 24 hours for complete 2D/3D files |
About This Part
This wrench installs and removes the lock nuts of a linear actuator stage, and its plate carries the whole interface. The outline runs 90 x 87 mm at 8 mm thick, octagon cut so it seats against adjacent hardware in tight layouts, with bore patterns indexed on 72, 45 and 15 mm divisions. Through the plate run a 26 mm and a 22 mm bore, a 21 mm and a 16 mm bore, a 14 mm bore 5 mm deep, and a 6.5 mm through hole, each one locating against its actuator feature so the wrench cannot be fitted wrong.
The thread field is dense: four M2.5-6H and four M1.6-6H threads through full thickness, two 2.9 mm and three 1.4 mm through holes, two 3.0 mm holes, and a pattern of ten 2.5 mm and M3 through holes. Q235-B structural steel, quenched and tempered, gives the plate the strength and toughness for a hand tool that gets leaned on; general tolerances follow the drawing's ISO 2768-m note, and unit weight is 0.18 kg.
Finishing is built for the workshop: bead blast for a uniform matte substrate, then chrome plating for a hard, corrosion proof surface that wipes clean. The route is CNC milling of the octagon outline, drilling and tapping of all patterns, deburring, then blast and plate.
Verification is gauge work: caliper and micrometer on the bores and thickness, thread plug gauges on every tapped hole, and Rockwell hardness sampling to confirm the quench and temper landed in band.
This part family supports the Industrial Parts industry. Read how KGL machines parts for that sector, then send your drawing for a quote.
Why Machine It at KGL
Five-Axis Fleet
100+ CNC machines including 11 five-axis centers run complex geometry in single setups, so tolerances do not stack up across refixturing.
Verified Accuracy
±0.005 mm standard on metals, plastics, and carbon fiber composite, verified on Hexagon and Zeiss CMMs (0.0015 mm accuracy).
Fast Prototypes
Engineering feedback with every quotation; prototype parts typically machined in 15 to 25 days.
One Supplier, End to End
Material sourcing, machining, heat treatment coordination, finishing, CMM inspection and export packaging under one roof.
Part-Specific Advantages
- Q235-B structural steel, quenched and tempered for strength and toughness
- 90 x 87 mm octagon cut outline, 8 mm thick, 0.18 kg
- Three bore groups at 26/22/21/16/14 mm with indexed divisions
- Dense thread field: 4x M2.5-6H and 4x M1.6-6H through full thickness
- Chrome plated over bead blast, hard and corrosion proof
- Octagon facets seat against adjacent hardware in tight layouts
Typical Applications
- Installation and removal wrenches for linear actuator lock nuts
- Adjustment tooling for linear motion modules
- Custom steel plate wrenches with multi bore clocking
Commercial Terms
| Commercial | Detail |
|---|---|
| MOQ | No MOQ; 1-piece prototype supported |
| Quote | Within 24 hours for complete 2D/3D files |
| Terms | EXW / FOB Shenzhen |
| Certifications | ISO 9001:2015 |
| Packaging | Individual bubble wrap, export carton or wooden case |
| Lead Time | Prototypes 7 to 15 days; production scheduled by volume |
Common Questions
Why quench and temper a hand wrench?
Because hand tools get leaned on. Quench and temper raises the strength well above as-rolled plate while keeping the toughness that stops a hardened tool from cracking under a shock load. Hardness sampling confirms every batch stays in the treatment band.
Why the octagon outline?
It is clearance geometry. In a installed actuator stage, a round plate collides with neighboring hardware; the cut facets let the wrench drop into position in tight layouts and give a visual check that it is clocked correctly.
Can you make wrenches for other actuator models?
Yes. Send the drawing or the nut and clocking dimensions, and we will confirm the bore layout and quote from the feature-by-feature callouts.
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