Komatsu Part SCREW 706-75-42270

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Product Overview

The 706-75-42270 SCREW is a genuine Komatsu OEM replacement screw from the 706 prefix series. Screws are threaded fasteners used in non-structural and semi-structural applications — securing covers, panels, brackets, retainers, and small components where the clamping force requirement is moderate compared to bolts.

Part Number: 706-75-42270 Part Name: SCREW Part Type: OEM Komatsu Replacement Fastener Availability: In stock

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When to Replace

Screws are subjected to many of the same degradation mechanisms as bolts, though typically at lower loads. Repeated installation and removal cycles wear the thread flanks, reducing the engagement that generates clamping force. Corrosion attacks the screw surface, creating stress risers and reducing the load-carrying cross-section. The drive recess — whether Phillips, hex, Torx, or slotted — can be damaged by worn or incorrectly sized tools, preventing proper torque during either installation or removal. Replace the 706-75-42270 when threads are damaged, galled, or visibly stretched; when the drive recess is rounded or deformed; when corrosion or pitting is visible on the shank or head; or when thread locker residue cannot be effectively cleaned from the threads.

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Installation

1. Clean the screw threads — remove old thread locker, debris, and corrosion
2. Apply thread locker if specified for the application
3. Start by hand — if resistance is felt immediately, back out and inspect for cross-threading
4. Tighten to the specified torque — use a torque screwdriver for smaller fasteners if specified

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