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Product Information

  • Made from high quality steels and alloys
  • Self-tightening design for maximum gripping force
  • Sizes from 2¾” to 8” diameter
  • Replaceable inserts
  • Locally made and supplied

Applications
DiaSpan Spanners are used in the Reverse Circulation Drilling, Grade Control Drilling, Blast Hole drilling and Water Well Drilling Industries to break up and make up drill hammers and rods.

Features
Made from high quality steels and alloys, longer life span.

Sizes
Sizes from 2¾” to 8” diameter.

Part Number    Description
 AD31-040C  Clevis 4″ Breakout Spanner to suit 2 3/4″, NQ, 3″ 1/2″, HQ, 4″
 AD31-040  Plain 4″ Breakout Spanner to suit 2 3/4″, NQ, 3″ 1/2″, HQ, 4″
 AD31-045  3 1/4″ Insert
 AD31-046  2 3/4″ Insert
 AD31-047  3″ Insert
 AD31-048  3 1/2″ Insert
 AD31-049  4″ Insert
 AD31-055  3 3/34″ Insert
 AD31-5000C  Clevis 5″ Breakout Spanner to suit 4″, 4 1/2″, 5″
 AD31-5000  Plain 5″ Breakout Spanner to suit 4″, 4 1/2″, 5″
 AD31-056  4″ Insert
 AD31-057  4 1/2″ Insert
 AD31-058  4 3/4″ Insert
 AD31-059  4 7/8″ Insert
 AD31-070  5″ Insert
 AD31-071  5 1/8″ Insert
 AD31-080C  Clevis Breakout Spanner to suit 6″, 6 1/2″, 7″, 7 1/2″, 8″
 AD31-080  Plain Breakout Spanner to suit 6″, 6 1/2″, 7″, 7 1/2″, 8″
 AD31-066  5″ Insert
 AD31-067  5 1/2″ Insert
 AD31-068  6″ Insert
 AD31-087  6 1/2″ Insert
 AD31-088  7″ Insert
 AD31-089  7 1/2″ Insert
 AD31-090  8″ Insert

 

  • 4″ and 5″ Break out spanners are investment cast 4140 High Tensile Alloy Hardened and Tempered.
  • 6″ and 8″ Break out spanners are manufactured from Bisalloy 80 plate and CNC machined.
  • The jaw inserts are machined from 4140 High Tensile Alloy Hardened and Tempered and set with high quality Tungsten Carbide serrated inserts Silver Soldered into the bank. The jaws are fitted into the spanner body and secured by allen head screws. The TC inserts can be replaced when worn out.
  • Each Spanner comes complete with one set of jaws to the sizes as specified by the client and additional jaws may be purchased.
  • AD31-***C denotes clevis for cylinder rod end, AD31-*** denotes Plain end fits top end of cylinder.

DiaSpan brochure coming soon. Please contact Schramm Australia for further information