Hollow Knurled Screws GN 421

Product description

Information

On clamping operations, the partially protruding steel hub of the hollow knurled screws GN 421 prevents chipping of the plastic.

Specification

Body
Plastic
Technopolymer (Polyamide PA)

Temperature resistant up to 248 °F (120 °C)
Black, shiny finish

Threaded stud
Steel, zinc plated, blue passivated finish

RoHS

Build & Price

Part Number	d₁	Length l	d₂	d₃	d₄	h	k

421-10X32-0.375	10 x 32	0.375	0.38	0.47	0.75	0.54	0.31
421-10X32-0.500	10 x 32	0.500	0.38	0.47	0.75	0.54	0.31
421-10X32-0.750	10 x 32	0.750	0.38	0.47	0.75	0.54	0.31
421-1/4X20-0.500	1/4 x 20	0.500	0.47	0.55	0.94	0.65	0.37
421-1/4X20-0.750	1/4 x 20	0.750	0.47	0.55	0.94	0.65	0.37
421-1/4X20-1.000	1/4 x 20	1.000	0.47	0.55	0.94	0.65	0.37
421-5/16X18-0.500	5/16 x 18	0.500	0.55	0.63	1.18	0.77	0.43
421-5/16X18-0.750	5/16 x 18	0.750	0.55	0.63	1.18	0.77	0.43
421-5/16X18-1.000	5/16 x 18	1.000	0.55	0.63	1.18	0.77	0.43
421-M4-10	M 4	0.394	0.35	0.47	0.75	0.55	0.31
421-M4-15	M 4	0.591	0.35	0.47	0.75	0.55	0.31
421-M4-20	M 4	0.787	0.35	0.47	0.75	0.55	0.31
421-M4-30	M 4	1.181	0.35	0.47	0.75	0.55	0.31
421-M5-10	M 5	0.394	0.35	0.47	0.75	0.55	0.31
421-M5-15	M 5	0.591	0.35	0.47	0.75	0.55	0.31
421-M5-20	M 5	0.787	0.35	0.47	0.75	0.55	0.31
421-M5-25	M 5	0.984	0.35	0.47	0.75	0.55	0.31
421-M6-10	M 6	0.394	0.47	0.55	0.94	0.65	0.37
421-M6-16	M 6	0.630	0.47	0.55	0.94	0.65	0.37
421-M6-20	M 6	0.787	0.47	0.55	0.94	0.65	0.37
421-M6-25	M 6	0.984	0.47	0.55	0.94	0.65	0.37
421-M6-30	M 6	1.181	0.47	0.55	0.94	0.65	0.37
421-M8-16	M 8	0.630	0.55	0.63	1.18	0.77	0.43
421-M8-20	M 8	0.787	0.55	0.63	1.18	0.77	0.43
421-M8-25	M 8	0.984	0.55	0.63	1.18	0.77	0.43
421-M8-30	M 8	1.181	0.55	0.63	1.18	0.77	0.43
421-M8-40	M 8	1.575	0.55	0.63	1.18	0.77	0.43
421-M10-20	M 10	0.787	0.63	0.71	1.42	0.89	0.49
421-M10-25	M 10	0.984	0.63	0.71	1.42	0.89	0.49
421-M10-30	M 10	1.181	0.63	0.71	1.42	0.89	0.49
421-M10-40	M 10	1.575	0.63	0.71	1.42	0.89	0.49

d₁	Length l	d₂	d₃	d₄	h	k

10 x 32	0.375	0.500	0.750	0.38	0.47	0.75	0.54	0.31
1/4 x 20	0.500	0.750	1.000	0.47	0.55	0.94	0.65	0.37
5/16 x 18	0.500	0.750	1.000	0.55	0.63	1.18	0.77	0.43

d₁	Length l	d₂	d₃	d₄	h	k

M 4	0.394	0.591	0.787	1.181	-	0.35	0.47	0.75	0.55	0.31
M 5	0.394	0.591	0.787	0.984	-	0.35	0.47	0.75	0.55	0.31
M 6	0.394	0.630	0.787	0.984	1.181	0.47	0.55	0.94	0.65	0.37
M 8	0.630	0.787	0.984	1.181	1.575	0.55	0.63	1.18	0.77	0.43
M 10	0.787	0.984	1.181	1.575	-	0.63	0.71	1.42	0.89	0.49

3D Product Configurator

Selected Part

Part Number

Total US Dollars (net)

$1.16

In Stock: 14689

In Stock

Quantity

Please note our quantity discounts (US Dollars).

Min	Max	Price
1	99	$1.16
100	249	$1.07
250	499	$0.97
≥ 500		$0.87

Prop 65: Not compliant

WARNING:
Cancer and Reproductive Harm - www.P65Warnings.ca.gov

RoHS: Compliant

This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).

Weight: 0.008 lbs

If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351

All Prices are in US Dollars. Taxes Not Included.