Home Sems Screws Sems Screw With Split Washer Phillips Sems Bolt 4-40 x 5/16" Pan Head Phillips SEMS Screws with Spring Washer Steel Blue Zinc Plated

4-40 x 5/16" Pan Head Phillips SEMS Screws with Spring Washer Steel Blue Zinc Plated

screw pic
screw pic
Part No. ERPP0405Z rohs Rating:

Material Blue Zinc Plated Steel
Ship Date 2026-11-07
Head Pan Head
Drive Phillips   PH No.1
Head Diameter 0.219-0.205" inch
Head Height 0.080-0.070" inch
Thread 4-40
Length 5/16 inch
Unit Price USD$ 0.019 /pcs
Unit Weight 0.619 g
Quantity pcs
Amount USD$ Total Amount USD$
Amount USD$ Total Amount USD$
  
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Item Information
4-40 x 5/16" Pan Head Phillips SEMS Screws with Spring Washer Steel Blue Zinc Plated
This part demension will be same as the drawing indicate below, length tolerance will be ±0.5 .
It is Pan Head with Phillips drive, 4-40 Thread and 5/16 inch Length .
Material Blue Zinc Plated Steel, Finsh is Rohs Blue Zinc which has good function of anti-corrosion .
On website, you can choose use your shipping account which shippcost is 0, or you can use our DHL/UPS account to ship which will have ship cost indicate.
Payment terms: Payment advance, On website, you can choose pay via paypal or pay via bank transfer. when bank transfer , you can send your bank slip to us via order process or send it to our email:sales@superneer.com. when payment made, We will soon make production and update process for you via email.
Buy Blue zinc plated steel pan head phillips screw with 4-40 and 5/16 length manufactured by Superneer,this 4-40 x 5/16" pan head phillips sems screws with spring washer steel blue zinc plated features 0.219-0.205" head diameter and 0.080-0.070" head height.Suitable for fastening materials.Available in blue zinc finish today,high quality product and best service will be provided by superneer.Each order will be made shippment on time.
Different Finish :
4-40 x 5/16 inch
4-40 x 5/16 inch
ERPP0405S
SUS304 Stainless Steel
4-40 x 5/16 inch
4-40 x 5/16 inch
ERPP0405Z
Blue Zinc Plated Steel
4-40 x 5/16 inch
4-40 x 5/16 inch
ERPP0405B
Black Zinc Plated Steel
Item Drawing
4-40 x 5/16" Pan Head Phillips SEMS Screws with Spring Washer Steel Blue Zinc Plated
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Payment & Trasportation 5-10 days

Payment Method: T/T & Paypal and other payment method

Shipment Method: Air Express , Air Freight, Sea Shippment

How to Order

1. Order online directly, made payment via Paypal or bank transfer.

2. Superneer arrange production according to drawing,all demensions are within drawing specification.

3. Parts ready, ship to customer.

Frequently Asked Questions about ERPP0405Z

What is ERPP0405Z screw?

ERPP0405Z is a 4-40 Pan Head head Phillips drive screw made of Blue Zinc Plated Steel, manufactured by Superneer Limited. It has a length of 5/16 inches and is commonly used in electronics, watches, precision instruments, and 3D printers.

What are the specifications of ERPP0405Z?

The ERPP0405Z screw features thread size 4-40, length of 5/16 inches, head type Pan Head (head diameter 0.219-0.205 inches), drive type Phillips (drive size PH No.1), and is made of Blue Zinc Plated Steel.

What material is the ERPP0405Z screw made of?

The ERPP0405Z screw is made of Blue Zinc Plated Steel. Superneer provides material test reports (MTR) and RoHS compliance certificates for all products. Blue Zinc Plated Steel offers excellent corrosion resistance and mechanical strength.

What is the thread size of ERPP0405Z?

The ERPP0405Z screw has a 4-40 thread. This is a UNC (Unified National Coarse) thread with 4-40 specification, widely used in North American applications.

What are ERPP0405Z screws used for?

ERPP0405Z Pan Head head Phillips drive screws are used in electronics assembly, PCB mounting, precision instruments, watches, 3D printers, optical devices, medical equipment, and consumer products where reliable fastening with Pan Head head aesthetics is required.

What is the MOQ and price for ERPP0405Z?

The minimum order quantity (MOQ) for ERPP0405Z is 10,000 pieces. The unit price is $0.019 USD for MOQ quantity. Larger quantities receive discounted pricing. Contact sales@superneer.com for custom quotes.

What is the lead time and shipping for ERPP0405Z?

The lead time for ERPP0405Z is 15-25 days for production. Shipping to USA takes 5-15 days via sea freight, with shipping cost starting from $50 USD. Air freight is available for urgent orders. DDP and FOB terms are both available.

What is the metric equivalent of 4-40 thread?

The 4-40 thread is approximately equivalent to M2.5 to M3 (approx). When substituting inch screws with metric screws, always verify the actual diameter and pitch compatibility.

What head type does ERPP0405Z use and why?

The ERPP0405Z uses a Pan Head head type. Pan Head head provides a specific head design optimized for its intended application. This head type is selected based on the specific application requirements for load distribution, aesthetics, and accessibility.

How to choose the right screw size for my application?

To choose the right screw: 1) Determine the required thread size based on the tapped hole or nut; 2) Select the appropriate length based on the material thickness; 3) Choose the head type based on clearance and aesthetics; 4) Select the drive type based on torque requirements; 5) Choose the material based on environmental conditions. For ERPP0405Z (4-40, 5/16 inches), ensure your application requires this specific size.

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