Eaton B-Line series 4Dimension strut channel
Manufacturer Resources
Product Specs
- Certifications:
- Not Applicable
- Channel Type:
- 4D21
- Hole Pattern:
- SH
- Material Gauge:
- 18 Gauge
- Product Height:
- 1.06 IN
- Product Length Depth:
- 240 IN
- Product Weight:
- 20.64 LB
- Product Width:
- 2.12 IN
- Department:
- Electrical
- Product Finish:
- Pre-galvanized
- Product Material:
- Steel
B-LINE 4D21SH-240GLV – Frequently Asked Questions
1) Can I use pre-galvanized 18 gauge strut outdoors or in a wet area?
The finish here is pre-galvanized steel, which is intended for dry indoor use, interior mechanical rooms, ceiling and wall runs. Pre-galv is coated before fabrication, so cut ends and punched edges are bare steel and will rust in a damp or exposed location. For exterior, parking garage, or wash-down areas, specify hot-dip galvanized or stainless channel instead.
2) What does the SH in 4D21SH mean for mounting and hole spacing?
SH is the slotted hole pattern, so the channel arrives pre-punched rather than solid back. That lets you bolt through the base into structure or thread hanger rod through without field drilling. If you want an unpunched back for a cleaner run, you need a plain (no-hole) channel instead of the SH.
3) What is the exact part number to order this Eaton B-Line strut channel?
Order Eaton B-Line part number 4D21SH-240GLV. Read it as 4D21 channel profile, SH slotted hole pattern, 240 in length, GLV pre-galvanized finish. That breakdown is useful when you are matching an existing run, since changing any one segment gives you a different stick.
4) Can I cut the 20 foot strut down to shorter pieces on site?
Yes, steel channel this gauge cuts with a bandsaw, chop saw with a metal blade, or portaband. The 240 in stick yields whatever lengths you need. Because the pre-galvanized coating is applied before forming, any field cut leaves raw steel, so brush cold galvanizing compound or paint on the cut ends if the run sees any moisture.
How fast can I get the B-LINE 4D21SH-240GLV delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the B-LINE 4D21SH-240GLV come with a warranty?
Absolutely. The B-LINE 4D21SH-240GLV is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the B-LINE 4D21SH-240GLV?
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