Central Screws GN 21b

Product description

Information

Central screws GN 21b connect aluminum profiles at right angles. Only one profile has to be machined. The thread in the end face profile hole is formed by the central screw itself. The self-forming thread should be lubricated to simplify assembly.

Specification

Steel, zinc plated, blue passivated finishSZ

RoHS

Build & Price

Part Number	n	d₁ Self-forming thread	l₁	d₂ ≈	d₃	l₂ ≈	A/F	Tightening torque in Nm

21B-8S825-A-SZ	0.31	S 8	0.98	0.63	0.31	0.18	T40	25
21B-10S1230-A-SZ	0.39	S 12	1.18	0.75	0.39	0.24	T50	35

n	d₁ Self-forming thread	l₁	d₂ ≈	d₃	l₂ ≈	A/F	Tightening torque in Nm

0.31	S 8	0.98	0.63	0.31	0.18	T40	25
0.39	S 12	1.18	0.75	0.39	0.24	T50	35

3D Product Configurator

Slot width n

0.31

0.39

Thread d₁

S 8

S 12

Length l₁

0.98

1.18

Type

A - Without cover cap

Material / Finish

SZ - Steel, zinc plated, blue passivated finish

Assembly Instructions / Profile Machining

Selected Part

Part Number

Total Canadian Dollars (net)

Can$1.27

Call / Email for Delivery Time

Quantity

Please note our quantity discounts (Canadian Dollars).

Min	Max	Price
1	49	Can$1.27
50	99	Can$1.17
100	249	Can$1.06
≥ 250		Can$0.96

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: 0.026 lbs

If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 1-800-397-6993

All Prices are in Canadian Dollars. Taxes Not Included.