Ground Hollow Dowels for Precision Alignment0 pages
GROUND HOLLOW DOWELS
nnnnDesign-in SPIROL's Series GD100
nnnnGround Hollow Dowels
nnnnfor Precision Alignment and
nnnnSubstantial Cost Savings.
nnnnSPIROL Ground Hollow Dowels are designed to
nnnnbe direct replacements for standard Ground Solid
nnnnDowels per ISO 8734. They are used where centerline
nnnntolerancing and precision alignment are required.
nnnnJl
nnnn1
nnnn(25±5-)
nnnnL ±0.25
nnnn1.6/; MAX
nnnnA
nnnn-C±0.25
nnnn(T)
nnnnMETRIC SPECIFICATIONS
nnnnSTANDARD MATERIAL | STANDARD FINISH |
F Low Carbon Steel | K Plain Oil |
Precision ground outside diameters
nnnnmaintain critical alignment within 20/jm.
nnnnA 1.6/jm surface finish and well-defined
nnnnchamfers prevent shaving or scraping
nnnnduring installation.
nnnnThe roll-formed design yields substantial
nnnncost savings over Solid Dowels.
nnnnThe hollow feature offers weight savings
nnnnoverSolid Dowels, and clearanceforbolts,
nnnnfluids, or gases.
nnnnNominal OD | OD | Recommended Hole Size | T | Length* | |||||||||
Min. | Max. | Min. | Max. | 8 | 10 | 12 | 16 | 20 | 24 | 30 | 32 | ||
8 | 8.006 | 8.015 | 7.987 | 8.000 | 1.2 | ||||||||
10 | 10.006 | 10.015 | 9.987 | 10.000 | 1.6 | ||||||||
12 | 12.007 | 12.018 | 11.985 | 12.000 | 1.8 | ||||||||
16 | 16.007 | 16.018 | 15.985 | 16.000 | 2.2 |
* Dowels in intermediate and longer lengths, and smaller and larger diameters are available on request and feasibility review.
nnnnInch sizes available upon special request.
nnnnTo Order: SPCR, Nominal Dowel Size x Length, Material, Finish, Series
nnnnExample: SPCR 8 x 16 FK GD100
"