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Home > products > Metal Bolt > Spade Head Thumb Screw Stainless Steel 1/4-20 25mm Plain Finish for 3D Printer Bed Leveling

Spade Head Thumb Screw Stainless Steel 1/4-20 25mm Plain Finish for 3D Printer Bed Leveling

Product Details

Place of Origin: China

Brand Name: JIA SHAN

Certification: ISO 9001

Model Number: Customized

Payment & Shipping Terms

Minimum Order Quantity: 10

Price: 0.01-11

Packaging Details: plastic Bag+Chipboard Carton+Plywood Pallet Pallet with Belt&Plastic Film/ Customized as your requirements

Delivery Time: 5-15days

Payment Terms: L/C,D/A,D/P,T/T,Western Union,

Supply Ability: 100000

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Highlight:

Stainless Steel Thumb Screw

,

1/4-20 Spade Head Screw

,

3D Printer Bed Leveling Screw

Material:
Stainless Steel
Finish:
Chrome Plating/Plain
Head Type:
Thumb Screw
Thread Type:
Machined Thread
Material:
Stainless Steel
Finish:
Chrome Plating/Plain
Head Type:
Thumb Screw
Thread Type:
Machined Thread
Spade Head Thumb Screw Stainless Steel 1/4-20 25mm Plain Finish for 3D Printer Bed Leveling

Spade Head Thumb Screw Stainless Steel 1/4-20 25mm Plain Finish for 3D Printer Bed Leveling


Spade Head Thumb Screw Stainless Steel 1/4-20 25mm Plain Finish for 3D Printer Bed Leveling


 
 
1,Description:

This spade head thumb screw is made of stainless steel with a plain uncoated finish, equipped with imperial 1/4-20 thread and a 25mm threaded shank. Its signature spade-style head features two flat extended wings to provide a comfortable gripping area for fingers. As a thumb-operated fastener, it requires no screwdrivers or wrenches for tightening and loosening. The thread is precision rolled to maintain consistent pitch and smooth engagement. The plain stainless steel surface retains the raw metallic texture, without extra plating or coating. It keeps thread dimensions unchanged and avoids coating flaking that may contaminate the printing space. The stainless steel substrate brings inherent oxidation resistance, suitable for the normal operating temperature range of 3D printers. Each screw is built to withstand repeated manual twisting during frequent bed calibration cycles.
2,Applications:

This thumb screw is mainly used for 3D printer hot bed leveling adjustment. It fits the threaded leveling mounts under the print bed of FDM 3D printers. Users turn it by hand to raise or lower individual corners of the printing platform to balance bed flatness before printing. It also works for locking auxiliary build plates and fixture brackets on printer frames. It can be applied on DIY modified 3D printer kits, resin printer support holders and portable printing equipment. It supports quick fine tuning before each printing job and allows re-adjustment after bed warping or vibration offset. It is a core adjustable fastener for hobbyist printers, desktop commercial 3D printing devices and custom printer builds.

3,Technical Advantages

The spade head design enables direct hand operation, greatly speeding up bed leveling and removing the need for matching tools. Stainless steel material offers good rust resistance and stable performance under periodic heat radiation from the hot bed. The plain finish eliminates coating shedding risk, so no foreign particles fall onto the print surface to ruin printed models. The standard 1/4-20 thread provides steady linear displacement when rotated, helping users make tiny height adjustments accurately. Hand-controlled torque prevents over-tightening, which protects thin print beds and soft spring supports from deformation or cracking. It supports countless adjustment cycles with low thread galling, delivering long service life for regular calibration work.

Packaging Options

Available in small packing, carton packing, or pallet configurations to meet your shipping and storage requirements.
Packaging options for stainless steel hex bolts

Manufacturer Information

Manufactured by JIA SHAN Hardware Company with strict quality control measures and pre-shipment inspection.

Manufacturing facility of JIA SHAN Hardware Company Quality control process at JIA SHAN Hardware Shipping and logistics operations