STS Sterling Silver
GF Gold Filled
SF Silver Filled
SP Silver Plate
GP Gold Plate
RGP Rose Gold Plate
RP Rhodium Plate
BSP Burnish Silver Plate
BGP Burnish Gold Plate
PT Pewter
CP Copper Plate
BP Black Plate
T/D Top drilled – Drilled from top for use with a peg finding
TSD Top Side Drilled – Drilled horizontally at the top portion of the bead
L/D Long Drilled – Drilled along the longest axis
C/D Centre Drilled – Drilled across the centre
Standard Gemstone Bead Hole Sizes
Gemstone 1.0mm (very small beads may be 0.7mm)
Pearls 0.7mm (depending on bead size may be as small as 0.5mm)