Power Line Hardware

Square Machine Bolt SMB Series

BOLTS, MACHINE Square Machine Bolt are also called crossarm bolts or through bolts. Bolts have rolled threads and one square nut. Bolts six inches or longer have cone-type points. Hot dip galvanized. Standard: ASTM A-153, BS 729, ISO1461.

  • BOLTS, MACHINE Square Machine Bolt are also called crossarm bolts or through bolts. Bolts have rolled threads and one square nut. Bolts six inches or longer have cone-type points. Hot dip galvanized. Standard: ASTM A-153, BS 729, ISO1461.
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GroupTransmission and Distribution
CategoryPower Line Hardware
StandardsIEC and GB
CustomisationOEM and non standard accepted
Square Machine Bolt SMB Series
OverviewSpecificationsGalleryOrderingFAQRelated

Overview

Square Machine Bolt SMB Series Description

SQUARE MACHINE BOLT Description Produced in Steel Q235, hot dip galvanized according to ASTM A-153, BS 729, ISO1461. Furnished with 1 square nut.

Specifications

Codes Ranges and Dimensions

Figures below are reproduced from the CROP catalogue for this item.

TypeDimensions in inches and millimeters
DLT
SMB011/2″(12)1 1/2″(12)(38)1 1/4(32)
SMB021/2″(12)2″(50)1 3/4(44)
SMB031/2″(12)21/2(63)2 1/4(58)
SMB041/2″(12)3(75)2 3/4(69)
SMB051/2″(12)4(100)3″(75)
SMB061/2″(12)5″(125)3″(75)
SMB071/2″(12)6″(150)3″(75)
SMB081/2″(12)8″(200)4″(100)
SMB091/2″(12)10″(250)4″(100)
SMB101/2″(12)12″(300)6″(150)
SMB111/2″(12)14″(350)6″(150)
SMB121/2″(12)16″(400)6″(150)
SMB131/2″(12)18″(450)6″(150)
SMB145/8″(16)2″(50)1 3/4(44)
SMB155/8″(16)3(75)2 3/4(69)
SMB165/8″(16)4(100)3″(75)
SMB175/8″(16)5″(125)3″(75)
SMB185/8″(16)6″(150)3″(75)
SMB195/8″(16)8″(200)4″(100)
SMB205/8″(16)10″(250)4″(100)
SMB215/8″(16)12″(300)6″(150)
SMB225/8″(16)14″(350)6″(150)
SMB235/8″(16)16″(400)6″(150)
SMB245/8″(16)18″(450)6″(150)
SMB255/8″(16)20“(500)6″(150)
SMB265/8″(16)22″(550)6″(150)
SMB275/8″(16)24″(600)6″(150)
SMB285/8″(16)26″(650)6″(150)
SMB295/8″(16)28″(700)6″(150)
SMB303/4″(20)2″(50)1 3/4(44)
SMB313/4″(20)6″(150)3″(75)
SMB323/4″(20)8″(200)4″(100)
SMB333/4″(20)10″(250)4″(100)
SMB343/4″(20)12″(300)6″(150)
SMB353/4″(20)14″(350)6″(150)
SMB363/4″(20)16″(400)6″(150)
SMB373/4″(20)18″(450)6″(150)
SMB383/4″(20)20“(500)6″(150)
SMB393/4″(20)22″(550)6″(150)
SMB403/4″(20)24″(600)6″(150)
SMB413/4″(20)26″(650)6″(150)
SMB423/4″(20)28″(700)6″(150)
SMB437/8″(22)12″(300)6″(150)
SMB447/8″(22)14″(350)6″(150)
SMB457/8″(22)16″(400)6″(150)
SMB467/8″(22)18″(450)6″(150)
SMB477/8″(22)20“(500)6″(150)
SMB487/8″(22)22″(550)6″(150)
SMB497/8″(22)24″(600)6″(150)

Ordering and Support

From Enquiry To Delivered Order

1

Send The Requirement

Item code, conductor or cable size and quantity, or a drawing and a photograph for a non standard part.

2

Quotation

Price, packing, carton quantity and lead time are confirmed against the catalogue reference.

3

Sample or Tooling

Samples are sent for approval. Parts that need a new mould go through the in house mould division.

4

Production and Shipment

Production to IEC and GB standards, then packing and shipment on the agreed terms.

Answers

Frequently Asked Questions

How do I choose the right size?
Match your conductor or cable size against the range column in the specification table on this page, then quote the code on that row. If the size falls between two rows, send both figures with your enquiry and the correct item will be confirmed.
Is Square Machine Bolt SMB Series available as a sample before a production order?
Yes. Ask for a sample by WhatsApp on 0086 138 6832 9796 or by email and the item, the packing and the lead time for a full order will be confirmed together.
Which standards do CROP products follow?
All CROP products are made to comply with IEC and GB standards. Where a project calls for a national or utility specification, send the standard reference with your enquiry and the matching item will be quoted.
Can items be produced to our own drawing?
Yes. Non-standard and OEM orders are part of the normal range. Send the drawing, a picture, the weight or the written specification to [email protected] or by WhatsApp and a quotation will be prepared against your requirement. CROP also runs its own mould division for plastic, SMC and stamped parts.
How do I obtain the PDF catalogue?
The catalogue is issued on request. Ask for the section you need by email or WhatsApp on 0086 138 6832 9796 and the PDF will be sent back to you. The catalogue page lists every section that is available.

Next Step

Get A Price For Square Machine Bolt SMB Series

Send the code, the size and the quantity. Drawings for non standard versions are welcome.

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