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Photonic Products and Services

Kinematic Mount Accessories

Kinematic Mount Accessories

PRK Series: Press Rod with Flexible Clamp Arm

• Provides clamping force for platform-type optical mounts
• Features a flexure clamping mechanism for stable fixation
• M4-threaded base for post mounting

The press rod and clamp arm assembly is designed to secure optical components onto platform-style mounts or V-groove holders. A 2 mm nylon-tipped setscrew applies pressure on the component, while a 2.5 mm ball-end hex key (or standard hex wrench) is used to actuate the flexure clamp. Each rod includes a pass-through hole for applying extra torque when tightening into a base.

Model Rod Size (mm) Clamping Height (mm) Thread Type Weight Material
PRK1-A65 Ø6 × 65 52.5 M4 22.8 g Aluminum + Stainless Steel
PRK2-A65 Ø8 × 70.6 56 M4 36.3 g Aluminum + Stainless Steel
PRK3-A30 Ø5 × 36.6 25.4 M4 8.5 g Aluminum + Stainless Steel
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Model Number Variant total Specification Drawings All Files Lead Time Quantity Price Model Total
PRK3-A
PRK3-A
$20.00/ea		 $0.00 Small Adjustable Clamping Arm, M4 x 0.7 Threaded Post No pdf No file 2 weeks
$20.00/ea $0.00
PRK1-A
PRK1-A
$23.85/ea		 $0.00 Medium Adjustable Clamping Arm, M4 x 0.7 Threaded Post No pdf No file 2 weeks
$23.85/ea $0.00
PRK2-A
PRK2-A
$28.07/ea		 $0.00 Large Adjustable Clamping Arm, M4 x 0.7 Threaded Post No pdf No file 2 weeks
$28.07/ea $0.00
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