NBK logo

Captive Processing Service

Service Introduction Video

Service Details

  • Screws will be treated with relief cut and given a captive function.

Applicable Products

  • e-nedzi.com products  are the applicable Products.
  • Available / Add'l charge is displayed at the end of each product page for the target product.
  • If you use the captive processing service for products that have been cleanroom washed and cleanroom packed, we will not perform cleanroom washing or cleanroom packing after processing.
  • If you wish to have cleanroom washing and cleanroom packing after the captive processing service, please use the cleanroom washing or cleanroom packing service seperately.
  • crews with captive processing are standardized.

L dimension for this service to be applied, and finished dimension

Meter Screws

Unit:mm
Nominal Diameter of Thread
(M)
L dimension for this service to be applied d Lm
min. max.
M3 8 16 2.2 4
M4 10 20 3 5
M5 12 25 3.9 6
M6 12 30 4.5 8
M8 16 40 6.3 10
M10 20 50 8 12
M12 20 50 9.7 14

Inch Screws

Unit:mm
Nominal Diameter of Thread
(#)
L dimension for this service to be applied (inch) d Lm
min. max.
#4 - 40 5/16 5/8 1.9 4
#5 - 40 5/16 5/8 2.2 4
#6 - 32 3/8 3/4 2.4 5
#8 - 32 3/8 3/4 3 5
#10 - 24 3/8 1 3.4 6
#10 - 32 3/8 1 3.7 6
1/4 - 20 5/8 1 - 1/4 4.6 9
1/4 - 28 5/8 1 - 1/4 5 9
5/16 - 18 5/8 1 - 1/2 6 10
3/8 - 16 3/4 2 7.4 12

How to use the service

Add -DB to the end of the product part number.

Fees/Delivery

  • Please feel free to contact us.

Introduction about Captive Prouduct

Captive Screws

Standardized screws with captive treatment applied.

Captive Screws


Special Products

Levers and knobs also can be treated with relief cut .
Please submit an inquiry form to contact us.
(Please note that due to the structure of some products, processing may not be available.)

submit an inquiry