GUHRING Ratio drill with oil feed type 5511

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Design: Ultra-finest grain-solid carbide, DIN 6537, type RT 100 U.
Fire coated surface, right cutting with special point geometry and ratio point thinning. Normal angle of rake, core thickness thicker than normal and without core gradient. The drill has a very good self-centring behaviour and produces short chips, even from long-chipping materials.

Carbide application group: K/P ?universal use.
(Ultra-fine grain K05?K50/P05?P50)

Application: For accurate alignment drilling
with narrow Ø tolerances and good surfaces. Suitable for drilling holes up to 5 x D with high cutting values. Particularly suitable for long and short-chipping materials such as construction and case-hardening steels, steel castings, tempered steels, carbon steels, bronzes, castings, high alloy AlSi alloys and alloy steels up to 1200 N/mm² in strength.

Note: The drills can be sharpened and recoated several times.

With twisted internal cooling through the bar. Twisted internal cooling. The coolant directly accesses the blades and flushes the chips out of the hole.

Diameter (mm)

Cutting length (mm)

Total length (mm)

Holding system: Cylindrical

Cutting direction: Right

DIN standard: 6537L

Material: Solid carbide

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GUHRING Twist drill cylindrical Solid carbide diameter 3.1 mm length 66 mm cutting direction right point angle 140° coating- nanoFIRE with cooling channel , DIN 6537L ERIKS Item #: W90A-12180310 Catalogue item no 1: 6082578 Catalogue item no 2: W67F-105618 Estimated delivery date 08-05-2024 Compare Compare	Price (Per piece): £60.98	{"addToCartPD":{ "item_name": "twist drill cylindrical solid carbide diameter 3.1 mm length 66 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000600798", "material_number": "W90A-12180310", "price": "60.98", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "twist drill cylindrical solid carbide diameter 3.1 mm length 66 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000600798", "material_number": "W90A-12180310", "price": "60.98", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "index": "1", "quantity": "" } }
GUHRING Twist drill cylindrical Solid carbide diameter 3.2 mm length 66 mm cutting direction right point angle 140° coating- nanoFIRE with cooling channel , DIN 6537L ERIKS Item #: W90A-12180320 Catalogue item no 1: 6082579 Catalogue item no 2: W67F-105619 Estimated delivery date 08-05-2024 Compare Compare	Price (Per piece): £60.98	{"addToCartPD":{ "item_name": "twist drill cylindrical solid carbide diameter 3.2 mm length 66 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000650384", "material_number": "W90A-12180320", "price": "60.98", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "twist drill cylindrical solid carbide diameter 3.2 mm length 66 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000650384", "material_number": "W90A-12180320", "price": "60.98", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "index": "2", "quantity": "" } }
GUHRING Twist drill cylindrical Solid carbide diameter 3.4 mm length 66 mm cutting direction right point angle 140° coating- nanoFIRE with cooling channel , DIN 6537L ERIKS Item #: W90A-12180340 Catalogue item no 1: 6082580 Catalogue item no 2: W67F-105620 Estimated delivery date 08-05-2024 Compare Compare	Price (Per piece): £60.98	{"addToCartPD":{ "item_name": "twist drill cylindrical solid carbide diameter 3.4 mm length 66 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000697274", "material_number": "W90A-12180340", "price": "60.98", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "twist drill cylindrical solid carbide diameter 3.4 mm length 66 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000697274", "material_number": "W90A-12180340", "price": "60.98", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "index": "3", "quantity": "" } }
GUHRING Twist drill cylindrical Solid carbide diameter 3.6 mm length 66 mm cutting direction right point angle 140° coating- nanoFIRE with cooling channel , DIN 6537L ERIKS Item #: W90A-12180360 Catalogue item no 1: 6082581 Catalogue item no 2: W67F-105621 Estimated delivery date 08-05-2024 Compare Compare	Price (Per piece): £60.98	{"addToCartPD":{ "item_name": "twist drill cylindrical solid carbide diameter 3.6 mm length 66 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000602951", "material_number": "W90A-12180360", "price": "60.98", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "twist drill cylindrical solid carbide diameter 3.6 mm length 66 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000602951", "material_number": "W90A-12180360", "price": "60.98", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "index": "4", "quantity": "" } }
GUHRING Twist drill cylindrical Solid carbide diameter 3.7 mm length 66 mm cutting direction right point angle 140° coating- nanoFIRE with cooling channel , DIN 6537L ERIKS Item #: W90A-12180370 Catalogue item no 1: 6082582 Catalogue item no 2: W67F-105622 Estimated delivery date 08-05-2024 Compare Compare	Price (Per piece): £60.98	{"addToCartPD":{ "item_name": "twist drill cylindrical solid carbide diameter 3.7 mm length 66 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000652294", "material_number": "W90A-12180370", "price": "60.98", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "twist drill cylindrical solid carbide diameter 3.7 mm length 66 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000652294", "material_number": "W90A-12180370", "price": "60.98", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "index": "5", "quantity": "" } }
GUHRING Twist drill cylindrical Solid carbide diameter 3.9 mm length 74 mm cutting direction right point angle 140° coating- nanoFIRE with cooling channel , DIN 6537L ERIKS Item #: W90A-12180390 Catalogue item no 1: 6082583 Catalogue item no 2: W67F-105623 Estimated delivery date 08-05-2024 Compare Compare	Price (Per piece): £60.98	{"addToCartPD":{ "item_name": "twist drill cylindrical solid carbide diameter 3.9 mm length 74 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000722247", "material_number": "W90A-12180390", "price": "60.98", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "twist drill cylindrical solid carbide diameter 3.9 mm length 74 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000722247", "material_number": "W90A-12180390", "price": "60.98", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "index": "6", "quantity": "" } }
GUHRING Twist drill cylindrical Solid carbide diameter 4.1 mm length 74 mm cutting direction right point angle 140° coating- nanoFIRE with cooling channel , DIN 6537L ERIKS Item #: W90A-12180410 Catalogue item no 1: 6082584 Catalogue item no 2: W67F-105683 Estimated delivery date 08-05-2024 Compare Compare	Price (Per piece): £64.73	{"addToCartPD":{ "item_name": "twist drill cylindrical solid carbide diameter 4.1 mm length 74 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000747381", "material_number": "W90A-12180410", "price": "64.73", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "twist drill cylindrical solid carbide diameter 4.1 mm length 74 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000747381", "material_number": "W90A-12180410", "price": "64.73", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "index": "7", "quantity": "" } }
GUHRING Twist drill cylindrical Solid carbide diameter 4.3 mm length 74 mm cutting direction right point angle 140° coating- nanoFIRE with cooling channel , DIN 6537L ERIKS Item #: W90A-12180430 Catalogue item no 1: 6082585 Catalogue item no 2: W67F-105684 Estimated delivery date 08-05-2024 Compare Compare	Price (Per piece): £64.73	{"addToCartPD":{ "item_name": "twist drill cylindrical solid carbide diameter 4.3 mm length 74 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000658465", "material_number": "W90A-12180430", "price": "64.73", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "twist drill cylindrical solid carbide diameter 4.3 mm length 74 mm cutting direction right point angle 140° coating- nanofire w", "item_id": "gr0000000658465", "material_number": "W90A-12180430", "price": "64.73", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "index": "8", "quantity": "" } }
GUHRING Spiral drill SL SC FIRE internal cooling shank 6537-HA 5xD 4.40mm ERIKS Item #: W90A-12180440 Catalogue item no 1: 6082586 Catalogue item no 2: W67F-105685 Estimated delivery date 08-05-2024 Compare Compare	Price (Per piece): £64.73	{"addToCartPD":{ "item_name": "spiral drill sl sc fire internal cooling shank 6537-ha 5xd 4.40mm", "item_id": "gr0000000704948", "material_number": "W90A-12180440", "price": "64.73", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "spiral drill sl sc fire internal cooling shank 6537-ha 5xd 4.40mm", "item_id": "gr0000000704948", "material_number": "W90A-12180440", "price": "64.73", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "index": "9", "quantity": "" } }
GUHRING Spiral drill SL SC FIRE internal cooling shank 6537-HA 5xD 4.70mm ERIKS Item #: W90A-12180470 Catalogue item no 1: 6082587 Catalogue item no 2: W67F-105686 Estimated delivery date 08-05-2024 Compare Compare	Price (Per piece): £64.73	{"addToCartPD":{ "item_name": "spiral drill sl sc fire internal cooling shank 6537-ha 5xd 4.70mm", "item_id": "gr0000000626374", "material_number": "W90A-12180470", "price": "64.73", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "spiral drill sl sc fire internal cooling shank 6537-ha 5xd 4.70mm", "item_id": "gr0000000626374", "material_number": "W90A-12180470", "price": "64.73", "item_brand": "guhring", "item_category":"tools", "item_category2":"machining tools", "item_category3":"drills", "item_category4": "pr_ec000945_0370", "item_stockstatus": "available on date", "item_variant": "pce", "index": "10", "quantity": "" } }