Compare Model Drawings, CAD & Specs Availability Price
CN-E8-6
Counterbore Nut Thread Adaptor, 8-32, Qty 6
$54/Pack
In Stock
 CN-E8-6 Counterbore Nut Thread Adaptor, 8-32, Qty 6
In Stock
 $54/Pack
CN-M4-6
Counterbore Nut Thread Adaptor, M4, Qty 6
$54/Pack
In Stock
 CN-M4-6 Counterbore Nut Thread Adaptor, M4, Qty 6
In Stock
 $54/Pack
CN-Q20-6
Counterbore Nut Thread Adaptor, 1/4-20, Qty 6
$54/Pack
In Stock
 CN-Q20-6 Counterbore Nut Thread Adaptor, 1/4-20, Qty 6
In Stock
 $54/Pack
CN-M6-6
Counterbore Nut Thread Adaptor, M6, Qty 6
$54/Pack
In Stock
 CN-M6-6 Counterbore Nut Thread Adaptor, M6, Qty 6
In Stock
 $54/Pack
CN-E8T-6
Counterbore Nut Thread Adaptor, 8-32 Thread, 1/4-20 Counterbore, Qty 6
$54/Pack
In Stock
 CN-E8T-6 Counterbore Nut Thread Adaptor, 8-32 Thread, 1/4-20 Counterbore, Qty 6
In Stock
 $54/Pack
CN-M4T-6
Counterbore Nut Thread Adaptor, M4 Thread, M6 Counterbore, Qty 6
$54/Pack
In Stock
 CN-M4T-6 Counterbore Nut Thread Adaptor, M4 Thread, M6 Counterbore, Qty 6
In Stock
 $54/Pack
TA-8Q20-10
Thread Adaptor, 8-32 Male to 1/4-20 Male, pack of 10
$41
In Stock
 TA-8Q20-10 Thread Adaptor, 8-32 Male to 1/4-20 Male, pack of 10
In Stock
 $41
TA-M4M6-10
Thread Adaptor, M4 Male to M6 Male, pack of 10
$41
In Stock
 TA-M4M6-10 Thread Adaptor, M4 Male to M6 Male, pack of 10
In Stock
 $41
TA-8M4-10
Thread Adaptor, 8-32 Male to M4 Male, pack of 10
$41
In Stock
 TA-8M4-10 Thread Adaptor, 8-32 Male to M4 Male, pack of 10
In Stock
 $41
TA-M6Q20-10
Thread Adaptor, M6 Male to 1/4-20 Male, pack of 10
$41
In Stock
 TA-M6Q20-10 Thread Adaptor, M6 Male to 1/4-20 Male, pack of 10
In Stock
 $41
TA-8M6-10
Thread Adaptor, 8-32 Male to M6 Male, pack of 10
$41
In Stock
 TA-8M6-10 Thread Adaptor, 8-32 Male to M6 Male, pack of 10
In Stock
 $41
TA-M4Q20-10
Thread Adaptor, M4 Male to 1/4-20 Male, pack of 10
$41
In Stock
 TA-M4Q20-10 Thread Adaptor, M4 Male to 1/4-20 Male, pack of 10
In Stock
 $41
TR-E2E8-10
Thread Adaptor, 8-32 Male to 2-56 Female , pack of 10
$54
In Stock
 TR-E2E8-10 Thread Adaptor, 8-32 Male to 2-56 Female , pack of 10
In Stock
 $54
TR-M2M4-10
Thread Adaptor, M4 Male to M2 Female , pack of 10
$54
In Stock
 TR-M2M4-10 Thread Adaptor, M4 Male to M2 Female , pack of 10
In Stock
 $54
TR-8Q20-10
Thread Adaptor, 1/4-20 Male to 8-32 Female, pack of 10
$54
In Stock
 TR-8Q20-10 Thread Adaptor, 1/4-20 Male to 8-32 Female, pack of 10
In Stock
 $54
TR-M4M6-10
Thread Adaptor, M6 Male to M4 Female, pack of 10
$54
In Stock
 TR-M4M6-10 Thread Adaptor, M6 Male to M4 Female, pack of 10
In Stock
 $54
TR-8M6-10
Thread Adaptor, M6 Male to 8-32 Female, pack of 10
$54
In Stock
 TR-8M6-10 Thread Adaptor, M6 Male to 8-32 Female, pack of 10
In Stock
 $54
TR-M4Q20-10
Thread Adaptor, 1/4-20 Male to M4 Female , pack of 10
$54
In Stock
 TR-M4Q20-10 Thread Adaptor, 1/4-20 Male to M4 Female , pack of 10
In Stock
 $54
SK-TA
Thread Adaptor Set, English
$320
In Stock
 SK-TA Thread Adaptor Set, English
In Stock
 $320
M-SK-TA
Thread Adaptor Set, metric
$320
In Stock
 M-SK-TA Thread Adaptor Set, metric
In Stock
 $320

Features

Counter Bore Nut Thread Adaptors Add Threads to Clearance Holes

The CN-Series Counter bore Nut Thread Adaptors provide 1/4-20 or 8-32 threads (M4 or M6 for metric versions) to clearance holes of the same size. Model CN-E8T-6 (CN-M4T-6) converts 1/4-20(M6) clearance holes to have 8-32 (M4) threading. These adaptors feature a slotted edge that enables tightening or removal and are sold in sets of 6.

Male-Male Thread Adaptors Convert Between Sizes & Threading Unit

The TA Series Thread Adaptors convert 1/4-20, 8-32, M6, and M4 threads to each other, available in all permutations. Each version is sold in sets of 10 thread adaptors.

Male-Female Adaptors Convert Threads to Smaller Size

The TR series Thread Adaptors convert between a larger threaded hole and either a smaller threaded hole or comparable threading of a different unit. These thread reducers can be used for general purpose needs, but model TR-E2E8-10 is specifically intended to allow post mounting of the New Focus brand Tiny Mounts. These thread reducers are tightened and loosened with a slot in the top designed for a flat-head screw driver and sold in packs of 10.

Easily Attach Mirror Mounts

TR-series thread adaptors are ideal for attaching mirror mounts. Shown here is an ULTIMA® Clear Edge mount attached to an SR-Z series magnetic pedestal.

Box Sets

The SK-TA and M-SK-TA (metric version) Thread Adaptor Sets are organized boxes of 8 different types of male-male and male-female thread adaptors, 10 of each type for a total of 80 pieces. The English unit set includes male-male thread adaptors for 8-32 to 1/4-20, 8-32 to M4, 8-32 to M6, M6 to 1/4-20, and M4 to 1/4-20. The male-female thread adaptors included convert 8-32 to 1/4-20, 8-32 to M6 and M4 to 1/4-20. This kit provides a less expensive option for stocking any optics lab.