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HOLO-KROME Socket Head Cap Screw: #4-40 Thread Size, 3/8 in Lg, Std, Black Oxide, Alloy Steel - Inch System Standard Socket Head Cap Screws
HOLO-KROMEInch System Standard Socket Head Cap Screws

HOLO-KROME Socket Head Cap Screw: #4-40 Thread Size, 3/8 in Lg, Std, Black Oxide, Alloy Steel

The HOLO-KROME Socket Head Cap Screw (#4-40 Thread Size, 3/8 in Lg) is an inch-system standard fastener with a black oxide finish and alloy steel construction, supplied in a 100-piece pack (MPN 72020). It features a…

SKU 3G-OTH-677509

Brand
HOLO-KROME
Item
Socket Head Cap Screw: #4-40 Thread Size, 3/8 in Lg, Std, Black Oxide, Alloy Steel
Category
Inch System Standard Socket Head Cap Screws
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

HOLO-KROME
Manufacturer Part Number
72020
Type
Std, Black Oxide, Alloy Steel, 100 PK
Lg
3/8 in
Drive Size
3/32 in
System of Measurement
Inch

Technical Documents

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HOLO-KROME Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HOLO-KROME Socket Head Cap Screw (#4-40 Thread Size, 3/8 in Lg) is an inch-system standard fastener with a black oxide finish and alloy steel construction, supplied in a 100-piece pack (MPN 72020). It features a 3/32 in drive size, meeting precise dimensional requirements for industrial assembly applications.

Frequently Asked Questions

What is the HOLO-KROME #4-40 socket head cap screw used for?

This inch-system standard fastener is used for industrial assembly applications requiring a precise, high-strength alloy steel screw with a black oxide finish. The 3/8 in length and #4-40 thread make it suitable for securing components in machinery, fixtures, and equipment where a flush, wrenchable head is needed.

What are the specifications of the HOLO-KROME 72020 socket head cap screw?

The HOLO-KROME 72020 is a #4-40 thread size, 3/8 in long, standard socket head cap screw with a black oxide finish and alloy steel construction. It has a 3/32 in drive size, is inch-system measured, and comes in a 100-piece pack. The manufacturer part number is 72020.

Where to buy HOLO-KROME socket head cap screws worldwide?

3G Electric supplies HOLO-KROME socket head cap screws worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine fasteners like the #4-40 x 3/8 in alloy steel screw to your facility, regardless of location.

How to select the correct drive size for a HOLO-KROME socket head cap screw?

For the HOLO-KROME #4-40 socket head cap screw, the required drive size is 3/32 in hex key. Always match the drive size to the screw's socket dimensions to avoid stripping. For inch-system fasteners, use the corresponding SAE hex wrench. Verify thread and length against your assembly's specifications.

HOLO-KROME Products

3G Electric supplies HOLO-KROME inch system standard socket head cap screws. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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