Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Finished Bore

3 Products in this selection
  • 25-1 ASA 1/4 Inch. With finished bore.
  • Match with 6.35mm simplex chain
  • American Standard 25-1 - 1/4 inch
Additional resources:
A more concise listing may be found on the Smallparts store at Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Finished Bore. Smallparts promote the most popular MBA products.
Teeth PCD Hub Diameter (D1) Overall Width (E) Type / Rows Indicative
Image
Teeth
9
PCD
18.18
mm

(0.716 in.)
Hub Diameter (D1)
11.13
mm

(0.438 in.)
Overall Width (E)
12.70
mm
Type / Rows
Type 3s
Roller Chain Sprockets - 9 tooth - 18.18x11.13 mm - Carbon Steel
Material: Carbon Steel    Finished Bore (d): 6.350 mm    Locking Method: 2 Set Screws 8-32 at 90 Deg   
Part Number: SP1-064-028B-009-064F-C Roller Chain Sprockets - 9 tooth - 18.18x11.13 mm - Carbon Steel
1 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$6.45 AUD
$12.26 AUD $6.45 AUD
Each
Teeth PCD Hub Diameter (D1) Overall Width (E) Indicative
Image
Teeth
9
PCD
18.18
mm

(0.716 in.)
Hub Diameter (D1)
11.13
mm

(0.438 in.)
Overall Width (E)
12.70
mm
Roller Chain Sprockets - 9 tooth - 18.18x11.13 mm - Carbon Steel
Material: Carbon Steel    Type / Rows: Type 3s    Finished Bore (d): 6.350 mm    Locking Method: 2 Set Screws 8-32 at 90 Deg   
Part Number: SP1-064-028B-009-064F-C Roller Chain Sprockets - 9 tooth - 18.18x11.13 mm - Carbon Steel
1 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$6.45 AUD
$12.26 AUD $6.45 AUD
Each
Teeth
12
PCD
24.25
mm

(0.955 in.)
Hub Diameter (D1)
16.66
mm

(0.656 in.)
Overall Width (E)
12.70
mm
Type / Rows
Type 3s
Roller Chain Sprockets - 12 tooth - 24.25x16.66 mm - Carbon Steel
Material: Carbon Steel    Finished Bore (d): 9.525 mm    Locking Method: 2 Set Screws at 90 Deg   
Part Number: SP1-064-028B-012-095F-C Roller Chain Sprockets - 12 tooth - 24.25x16.66 mm - Carbon Steel
5 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Each
Teeth
12
PCD
24.25
mm

(0.955 in.)
Hub Diameter (D1)
16.66
mm

(0.656 in.)
Overall Width (E)
12.70
mm
Roller Chain Sprockets - 12 tooth - 24.25x16.66 mm - Carbon Steel
Material: Carbon Steel    Type / Rows: Type 3s    Finished Bore (d): 9.525 mm    Locking Method: 2 Set Screws at 90 Deg   
Part Number: SP1-064-028B-012-095F-C Roller Chain Sprockets - 12 tooth - 24.25x16.66 mm - Carbon Steel
5 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Each
Teeth
15
PCD
30.31
mm

(1.193 in.)
Hub Diameter (D1)
22.23
mm

(0.875 in.)
Overall Width (E)
12.70
mm
Type / Rows
Type 3s
Roller Chain Sprockets - 15 tooth - 30.31x22.23 mm - Carbon Steel
Material: Carbon Steel    Finished Bore (d): 6.350 mm    Locking Method: 2 Set Screws at 90 Deg   
Part Number: SP1-064-028B-015-064F-C Roller Chain Sprockets - 15 tooth - 30.31x22.23 mm - Carbon Steel
4 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Each
Teeth
15
PCD
30.31
mm

(1.193 in.)
Hub Diameter (D1)
22.23
mm

(0.875 in.)
Overall Width (E)
12.70
mm
Roller Chain Sprockets - 15 tooth - 30.31x22.23 mm - Carbon Steel
Material: Carbon Steel    Type / Rows: Type 3s    Finished Bore (d): 6.350 mm    Locking Method: 2 Set Screws at 90 Deg   
Part Number: SP1-064-028B-015-064F-C Roller Chain Sprockets - 15 tooth - 30.31x22.23 mm - Carbon Steel
4 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Each