Flasks, Sprue Bases & Related Products

Perforated Flasks, Sprue Bases & Rubber Sleeves

From $5.60

SKU	Item	Diam / Height	Price	Qty
21.708	Sleeve	3" / 4"	$12.95
21.705	Flask	3" / 4"	$118.80
21.706	Flask	4" / 5-1/2"	$67.65	Discontinued
21.709	Sleeve	4" / 5-1/2"	$18.45
21.711	Sleeve	4" / 7"	$24.05
21.829	Sprue	4" / 8"	$6.80
21.882	Sprue	3" / 4"	$5.60
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Standard Flasks & Sprue Bases

The chart below matches the sprue base type you desire with the proper casting flask. All casting flasks are stainless steel and very durable. The matching sprue bases assure a leak-proof seal. Flasks are 14 gauge. 12 and 10 gauge are also available. Learn more ›

From $7.00

SKU	Flask Size	Price
21.68701	2" x 2-1/2"	$9.55
21.689	2-1/2" x 2-1/2"	$14.30
21.690	2-1/2" x 3"	$16.50
21.691	2-1/2" x 4"	$19.80
21.693	3" x 2-1/2"	$18.70
21.694	3" x 3"	$19.80
21.695	3" x 4"	$24.20
21.696	3-1/2" x 2-3/4"	$18.00
21.698	3-1/2" x 4"	$24.20
21.699	3-1/2" x 5"	$31.90
21.69901	4" x 4"	$31.90
21.701	4" x 5"	$37.40
21.687	1-3/4" x 1-3/4"	$7.00
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Tree Sprue Bases

Fill the cup in the center with wax or clay to form the base for the sprue. Learn more ›

From $3.75

SKU	Flask Size	Price
21.824	2" x 2-1/2"	$3.75
21.826	2-1/2" x 2-1/2"	$4.95
21.827	3" x 2-1/2"	$5.60
21.828	3-1/2" x 2-3/4"	$6.15
21.825	1-3/4" x 1-3/4"	$5.60

Button Sprue Bases

Fill the cup in the center with wax or clay to form the base for the sprue. Learn more ›

From $3.75

SKU	Flask Size	Price
21.778	1-3/4" x 1-3/4"	$4.35
21.779	2" x 2-1/2"	$4.35
21.781	2-1/2" x 2-1/2"	$4.35
21.780	2-1/2" x 3"	$4.95
21.782	3" x 3"	$4.95
21.783	3-1/2" x 5"	$5.60
21.784	4" x 5"	$6.80
21.777	1-3/8" x 1-3/8"	$3.75
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Casting Flask Extenders

Slip the rubber extender over the flask prior to filling to enable you to fill casting flasks to the top with investment. Prevents spilling of investment during vacuuming. Learn more ›

From $12.75

SKU	Flask Diameter	Price
21.798	3"	$12.75
21.799	3-1/2"	$15.40
21.797	2-1/2"	$14.80

Sand Casting Flask

Sand Casting Flask Learn more ›

$54.15

SKU: 22.952

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