What size and type thread fits this screw hole? I want to use longer base screws than the standard ones that come with the product

The screw type of 7x40 mm spike is M3 x 0.35 x 5 mm, and the screw type of 10x55 mm spike is M4 x 0.5 x 5.5 mm.Hope it can be helpful for you.

Does anyone know what thread the screws are?

You can look at the picture of silvery spike ,picture num of 4

why does it offer i day prime and at checkout it it wants $7 for 1 day??

Because it is a offer, not a subscription

Uviviu 20 Pcs 40mm Spike And Studs Metalic Rivet Screw

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

⚡ Elevate your edge with spikes that speak louder than words!

BOLD 40 MM SPIKES - Make a statement with standout size that commands attention.
VERSATILE DIY USE - Perfect for leather jackets, belts, bags, and cosplay accessories to express your unique style.
MULTI COLOR OPTIONS - Mix and match silver, black, gold, and more to create your signature punk look.
REUSABLE SCREW ON DESIGN - Easily install, remove, and reposition spikes for endless customization.
DURABLE METAL CONSTRUCTION - Solid metal spikes polished for a sleek, smooth touch and lasting wear.

Uviviu 20 Pcs 40mm Metal Spikes feature long screws for secure attachment on thick leather and fabrics, crafted from polished solid metal for durability and smooth finish. Ideal for punk, gothic, and cosplay DIY projects, these reusable studs come in multiple colors to customize your style with professional-grade quality.

Reviews

J**A

17.06.2023

A**X

12.03.2025

F**R

2.01.2026

J**N

7.12.2019

R**N

22.02.2020

K**A

10.04.2018

B**K

13.07.2018

M**A

26.10.2022

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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TrustScore 4.5 | 7,300+ reviews

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Best Sellers Rank	#335,946 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #2,956 in Leathercraft Accessories
Customer Reviews	4.7 out of 5 stars 514 Reviews

Uviviu 20 Pcs 40mm Spike and Studs, Metalic Rivet Screw on Cone for Leather Crafts Punk DIY Clothing (40MMx20Pcs, Silvery)

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