Martin chain #35-2 · E-25
D35SDS68
Exact stock sprocket record from Martin's official Roller Chain Sprockets catalog.
Published catalog evidence
Exact source record
- Catalog number
- D35SDS68
- Chain designation
- 35-2
- Chain pitch
- 0.375"
- Number of teeth
- 68
- Material context
- all steel
- Sprocket style
- double-strand stock sprockets
- Published row text
- 68 D35SDS68 SDS 8 .340 8 .120 C 2 1 .5 1 .5 3 .188 .563 .188 .75 0 .162 0 .561 8 .40 7 .40
Verification boundary
What still needs to match
Chain and strand countConfirm ANSI/ISO chain standard, pitch, roller width, and simplex/duplex/triplex arrangement.
Bore and hub systemVerify stock/finished bore, QD or taper-bushing size, hub style, keyway, setscrews, and shaft fit.
Material and teethConfirm steel/stainless material, hardened-tooth suffixes, corrosion requirements, and tooth count.
DutyCheck speed, horsepower, alignment, lubrication, shock loading, and current manufacturer limits.
Related catalog parts
Same chain family, nearby tooth count
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