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HOLO-KROME Socket Head Cap Screw: 5/16"-18 Thread Size, 3 1/4 in Lg, Std, Black Oxide - Inch System Standard Socket Head Cap Screws
HOLO-KROMEInch System Standard Socket Head Cap Screws

HOLO-KROME Socket Head Cap Screw: 5/16"-18 Thread Size, 3 1/4 in Lg, Std, Black Oxide

The HOLO-KROME Socket Head Cap Screw (MPN 72146) is an inch-system standard fastener with a 5/16"-18 thread size, 3 1/4" length, and 1/4" drive size, made from black oxide alloy steel in a 50-pack. 3G Electric…

SKU 3G-OTH-677696

Brand
HOLO-KROME
Item
Socket Head Cap Screw: 5/16"-18 Thread Size, 3 1/4 in Lg, Std, Black Oxide
Category
Inch System Standard Socket Head Cap Screws
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

HOLO-KROME
Manufacturer Part Number
72146
Type
Std, Black Oxide, Alloy Steel, 50 PK
Lg
3 1/4 in
Drive Size
1/4 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 (MPN 72146) is an inch-system standard fastener with a 5/16"-18 thread size, 3 1/4" length, and 1/4" drive size, made from black oxide alloy steel in a 50-pack. 3G Electric interprets this demand and delivers it across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right part, not just a catalog listing.

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 the HOLO-KROME 72146 socket head cap screw used for?

The HOLO-KROME 72146 socket head cap screw is used for fastening applications requiring high tensile strength in machinery, tooling, and industrial equipment. Its black oxide finish provides mild corrosion resistance, and the 5/16"-18 thread size suits standard inch-system assemblies across 14 industrial departments.

What are the specifications of the HOLO-KROME 72146 socket head cap screw?

The HOLO-KROME 72146 is an inch-system standard socket head cap screw with a 5/16"-18 thread size, 3 1/4" length, and 1/4" drive size. It is made from alloy steel with a black oxide finish and comes in a 50-pack. 3G Electric supplies this part globally.

Where to buy HOLO-KROME 72146 socket head cap screws worldwide?

3G Electric supplies the HOLO-KROME 72146 socket head cap screw worldwide. We handle full logistics and customs clearance to deliver this 50-pack of 5/16"-18 x 3 1/4" alloy steel fasteners to your facility. Contact us for availability and lead time.

How to select the correct socket head cap screw size for an application?

To select the correct socket head cap screw, match the thread size (e.g., 5/16"-18), length (e.g., 3 1/4"), and drive size (e.g., 1/4") to your assembly's requirements. Consider material strength and finish—alloy steel with black oxide suits general industrial use. 3G Electric can help verify fitment.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Thread Forming Tap: 5/16"-18 UNC, H4 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400131501)
OSG
OSG Thread Forming Tap: 5/16"-18 UNC, H4 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400131501)
OSG Thread Forming Tap: 5/16"-24 UNF, H4 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400133801)
OSG
OSG Thread Forming Tap: 5/16"-24 UNF, H4 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400133801)
OSG Thread Forming Tap: 5/16"-18 UNC, H6 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400131701)
OSG
OSG Thread Forming Tap: 5/16"-18 UNC, H6 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400131701)
OSG Thread Forming Tap: 5/16"-24 UNF, H6 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400134001)
OSG
OSG Thread Forming Tap: 5/16"-24 UNF, H6 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400134001)
OSG Thread Forming Tap: 5/16"-24 UNF, H7 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400134101)
OSG
OSG Thread Forming Tap: 5/16"-24 UNF, H7 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400134101)
OSG Thread Forming Tap: 5/16"-24 UNF, H6 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt (MPN 1400133101)
OSG
OSG Thread Forming Tap: 5/16"-24 UNF, H6 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt (MPN 1400133101)

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