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SEMS Screw: Internal Tooth, M4x0.70 Thread Size, 30 mm Lg, Stainless Steel, Passivated - Machine Screws with Internal Tooth Lock Washers
SEMSMachine Screws with Internal Tooth Lock Washers

SEMS Screw: Internal Tooth, M4x0.70 Thread Size, 30 mm Lg, Stainless Steel, Passivated

The SEMS Screw: Internal Tooth (SKU 849C32, MPN 1-MPI-4-30) is a machine screw with an integrated internal tooth lock washer, featuring an M4x0.70 thread size, 30 mm length, stainless steel construction with…

SKU 3G-OTH-532124

Brand
SEMS
Item
Screw: Internal Tooth, M4x0.70 Thread Size, 30 mm Lg, Stainless Steel, Passivated
Category
Machine Screws with Internal Tooth Lock Washers
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Technical Specifications

SEMS
Manufacturer Part Number
1-MPI-4-30
Type
M4x0.70 Thread Size, Stainless Steel, Passivated, Pan, 10 PK
Lg
30 mm
Drive Size
#2
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SEMS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SEMS Screw: Internal Tooth (SKU 849C32, MPN 1-MPI-4-30) is a machine screw with an integrated internal tooth lock washer, featuring an M4x0.70 thread size, 30 mm length, stainless steel construction with passivated finish, and a pan head with #2 drive size, supplied in a 10-pack.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a SEMS screw with internal tooth lock washer used for?

A SEMS screw with an internal tooth lock washer is used to fasten components while resisting loosening from vibration. The integrated washer bites into the mating surface, making it ideal for machinery, electrical panels, and automotive assemblies where a secure, permanent hold is required.

What are the specifications of the SEMS screw M4x0.70 30 mm?

This SEMS screw has an M4x0.70 thread size, 30 mm length, stainless steel construction with a passivated finish, pan head, and #2 drive size. It comes in a 10-pack with manufacturer part number 1-MPI-4-30. The internal tooth lock washer is pre-assembled for convenience.

Where to buy SEMS screws in worldwide?

3G Electric supplies SEMS screws worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine fasteners like the M4x0.70 internal tooth screw and deliver to your facility. Contact us for pricing and lead time on your order.

How to install a SEMS screw with internal tooth lock washer?

Install a SEMS screw by driving it with a #2 drive tool into a pre-tapped hole or nut. The internal tooth washer is captive under the head, so no separate washer is needed. Tighten to the recommended torque for M4 stainless steel fasteners to ensure the washer bites and prevents loosening.

SEMS Products

3G Electric supplies SEMS machine screws with internal tooth lock washers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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