Built Tough Heavy Duty Plastic Screw On Clamping Knobs With Brass Core Grippy Star Knobs Knurled M4 Female Thread Hex Head 1 Inch Diameter For Lawn Mower Handles And Machinery 30 Pack Black

Heavy-Duty Plastic Clamping Knobs with Brass Core, M4
✔️ M4 thread, 25mm head, 3.4x12.7mm steps, 30-pack, black

These heavy-duty screw-on clamping knobs combine tough plastic with a brass core for enhanced strength. Designed for lawn mower handles, machine jigs, and fixtures, this 30-pack provides quick replacements when knobs wear or break. The following dimensions help ensure proper fitment on your equipment:

Feature	Metric	Imperial
Female Thread	M4 (4 mm)	4 mm
Head Diameter	25 mm	0.98 in
Step (T x D)	3.4 x 12.7 mm	0.13 x 0.50 in

✅ Female Thread M4 (4 mm); Head diameter 25 mm (0.98 in); Step 3.4 x 12.7 mm (0.13 x 0.50 in)
✅ Material: Plastic housing with brass core; 6-star knurl for grip
✅ Pack size: 30 pieces in black; tool-free hand tightening
✅ Applications: table saw fences, router jigs, drill presses, workholding, 3D printer beds

💡What is a hand-tightening clamping knob with brass core used for in shop fixtures and machinery?

These handy knobs let you secure parts quickly, without tools, in many setups.

- Handy for replacing worn knobs on fences, jigs, guards - Brass-reinforced threads resist wear and ensure solid tightening - 6-star knurling provides a comfortable, non-slip grip