Keystone Electronics STR-440
- Part No.:
- STR-440
- Manufacturer:
- Keystone Electronics
- Category:
- Hardware Kits
- Package:
- Datasheet:
-
STR-440.pdf
- Description:
- KIT 4-40 THREADED STANDOFF 400PC
- Quantity:
- Payment:

- Shipping:

Inventory:1,291
Please send an inquiry. Send us your inquiry, and we will respond immediately.
- Specifications
- FAQ
- Product Comparison
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Keystone Electronics
- Series:
- -
- Packaging:
- Case
- Product Status:
- Active
- Kit Type:
- 4-40 Threaded Standoffs, Machine Screws
- Values:
- 425 pcs - 25 ea of 16 Standoffs, 1 Machine Screw
1. How to order STR-440 on SANJIA TECHNOLOGY LTD.?
Currently, SANJIA TECHNOLOGY LTD. only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does SANJIA TECHNOLOGY LTD. guarantee that STR-440 is from the original manufacturer or authorized agents?
We have a professional and experienced quality control team to strictly verify and test the STR-440. All suppliers must pass our qualification reviews before they can publish their products including STR-440 on SANJIA TECHNOLOGY LTD.; we pay more attention to the channels and quality of STR-440 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the STR-440 price and inventory displayed accurate?
The price and inventory of STR-440 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?
Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.
Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?
Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.
Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.
Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of STR-440?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the STR-440 we delivered, we will accept the replacement or return of the STR-440 only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of STR-440.
(3)The PartNo is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as STR-440 pin diagram, STR-440 datasheet?
If you need any after-sales service, please do not hesitate to contact us.
| Image | ![]() |
![]() |
![]() |
||
| Part Number | STR-440 | STR-632 | STR-M3 | STR-M4 | STR-832 |
| Manufacturer | Keystone Electronics | Keystone Electronics | Keystone Electronics | Keystone Electronics | Keystone Electronics |
| Series | - | - | - | - | - |
| Packaging | Case | Case | Case | Case | Case |
| Product Status | Active | Active | Active | Active | Active |
| Kit Type | 4-40 Threaded Standoffs, Machine Screws | 6-32 Threaded Standoffs, Machine Screws | M3 Male-Female Hex Threaded Standoff, M3X6mm Machine Screws | M4 Male-Female Hex Threaded Standoff, M4X6mm Machine Screws | 8-32 Threaded Standoffs, Machine Screws |
| Values | 425 pcs - 25 ea of 16 Standoffs, 1 Machine Screw | 400 pcs - 25 ea of 8 sizes and materials of Female-Female, Male-Female, Machine screws | 425 pcs - 25 ea of 4 sizes Male-Female, Female in Brass, Nylon, 1 size Machine Screw | 425 pcs - 25 ea of 4 sizes Male-Female, Female in Aluminum, Nylon, 1 size Machine Screw | 400 pcs - 25 ea of 8 sizes and materials of Female-Female, Male-Female, Machine screws |

-
18157
Vicor Corporation
-
18156
Vicor Corporation

-
3299
Adafruit Industries LLC

-
4799-4
Keystone Electronics

-
18159
Vicor Corporation

-
18158
Vicor Corporation

-
6799-4
Keystone Electronics

-
18153
Vicor Corporation

-
SCW-296PC
Micro Connectors, Inc.

-
SCW-114PC
Micro Connectors, Inc.

-
SK-832T
Gardner Bender

-
SK-632T
Gardner Bender



